39966640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1$

素因数の和:179

約数の個数: 160

約数和(自身を含む): 115706880

約数和(自身を除く): 75740240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 29, 35, 40, 46, 56, 58, 70, 80, 92, 107, 112, 115, 116, 140, 145, 161, 184, 203, 214, 230, 232, 280, 290, 322, 368, 406, 428, 460, 464, 535, 560, 580, 644, 667, 749, 805, 812, 856, 920, 1015, 1070, 1160, 1288, 1334, 1498, 1610, 1624, 1712, 1840, 2030, 2140, 2320, 2461, 2576, 2668, 2996, 3103, 3220, 3248, 3335, 3745, 4060, 4280, 4669, 4922, 5336, 5992, 6206, 6440, 6670, 7490, 8120, 8560, 9338, 9844, 10672, 11984, 12305, 12412, 12880, 13340, 14980, 15515, 16240, 17227, 18676, 19688, 21721, 23345, 24610, 24824, 26680, 29960, 31030, 34454, 37352, 39376, 43442, 46690, 49220, 49648, 53360, 59920, 62060, 68908, 71369, 74704, 86135, 86884, 93380, 98440, 108605, 124120, 137816, 142738, 172270, 173768, 186760, 196880, 217210, 248240, 275632, 285476, 344540, 347536, 356845, 373520, 434420, 499583, 570952, 689080, 713690, 868840, 999166, 1141904, 1378160, 1427380, 1737680, 1998332, 2497915, 2854760, 3996664, 4995830, 5709520, 7993328, 9991660, 19983320, 39966640]

約数ペア:

[(1, 39966640), (2, 19983320), (4, 9991660), (5, 7993328), (7, 5709520), (8, 4995830), (10, 3996664), (14, 2854760), (16, 2497915), (20, 1998332), (23, 1737680), (28, 1427380), (29, 1378160), (35, 1141904), (40, 999166), (46, 868840), (56, 713690), (58, 689080), (70, 570952), (80, 499583), (92, 434420), (107, 373520), (112, 356845), (115, 347536), (116, 344540), (140, 285476), (145, 275632), (161, 248240), (184, 217210), (203, 196880), (214, 186760), (230, 173768), (232, 172270), (280, 142738), (290, 137816), (322, 124120), (368, 108605), (406, 98440), (428, 93380), (460, 86884), (464, 86135), (535, 74704), (560, 71369), (580, 68908), (644, 62060), (667, 59920), (749, 53360), (805, 49648), (812, 49220), (856, 46690), (920, 43442), (1015, 39376), (1070, 37352), (1160, 34454), (1288, 31030), (1334, 29960), (1498, 26680), (1610, 24824), (1624, 24610), (1712, 23345), (1840, 21721), (2030, 19688), (2140, 18676), (2320, 17227), (2461, 16240), (2576, 15515), (2668, 14980), (2996, 13340), (3103, 12880), (3220, 12412), (3248, 12305), (3335, 11984), (3745, 10672), (4060, 9844), (4280, 9338), (4669, 8560), (4922, 8120), (5336, 7490), (5992, 6670), (6206, 6440)]