25293520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{47}}^1$

素因数の和:129

約数の個数: 120

約数和(自身を含む): 70924032

約数和(自身を除く): 45630512

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 47, 56, 62, 70, 80, 94, 112, 124, 140, 155, 188, 217, 235, 248, 280, 310, 329, 376, 434, 470, 496, 560, 620, 658, 752, 868, 940, 961, 1085, 1240, 1316, 1457, 1645, 1736, 1880, 1922, 2170, 2480, 2632, 2914, 3290, 3472, 3760, 3844, 4340, 4805, 5264, 5828, 6580, 6727, 7285, 7688, 8680, 9610, 10199, 11656, 13160, 13454, 14570, 15376, 17360, 19220, 20398, 23312, 26320, 26908, 29140, 33635, 38440, 40796, 45167, 50995, 53816, 58280, 67270, 76880, 81592, 90334, 101990, 107632, 116560, 134540, 163184, 180668, 203980, 225835, 269080, 316169, 361336, 407960, 451670, 538160, 632338, 722672, 815920, 903340, 1264676, 1580845, 1806680, 2529352, 3161690, 3613360, 5058704, 6323380, 12646760, 25293520]

約数ペア:

[(1, 25293520), (2, 12646760), (4, 6323380), (5, 5058704), (7, 3613360), (8, 3161690), (10, 2529352), (14, 1806680), (16, 1580845), (20, 1264676), (28, 903340), (31, 815920), (35, 722672), (40, 632338), (47, 538160), (56, 451670), (62, 407960), (70, 361336), (80, 316169), (94, 269080), (112, 225835), (124, 203980), (140, 180668), (155, 163184), (188, 134540), (217, 116560), (235, 107632), (248, 101990), (280, 90334), (310, 81592), (329, 76880), (376, 67270), (434, 58280), (470, 53816), (496, 50995), (560, 45167), (620, 40796), (658, 38440), (752, 33635), (868, 29140), (940, 26908), (961, 26320), (1085, 23312), (1240, 20398), (1316, 19220), (1457, 17360), (1645, 15376), (1736, 14570), (1880, 13454), (1922, 13160), (2170, 11656), (2480, 10199), (2632, 9610), (2914, 8680), (3290, 7688), (3472, 7285), (3760, 6727), (3844, 6580), (4340, 5828), (4805, 5264)]