40075120

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{373}}^1$

素因数の和:482

約数の個数: 80

約数和(自身を含む): 100172160

約数和(自身を除く): 60097040

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 79, 80, 85, 136, 158, 170, 272, 316, 340, 373, 395, 632, 680, 746, 790, 1264, 1343, 1360, 1492, 1580, 1865, 2686, 2984, 3160, 3730, 5372, 5968, 6320, 6341, 6715, 7460, 10744, 12682, 13430, 14920, 21488, 25364, 26860, 29467, 29840, 31705, 50728, 53720, 58934, 63410, 101456, 107440, 117868, 126820, 147335, 235736, 253640, 294670, 471472, 500939, 507280, 589340, 1001878, 1178680, 2003756, 2357360, 2504695, 4007512, 5009390, 8015024, 10018780, 20037560, 40075120]

約数ペア:

[(1, 40075120), (2, 20037560), (4, 10018780), (5, 8015024), (8, 5009390), (10, 4007512), (16, 2504695), (17, 2357360), (20, 2003756), (34, 1178680), (40, 1001878), (68, 589340), (79, 507280), (80, 500939), (85, 471472), (136, 294670), (158, 253640), (170, 235736), (272, 147335), (316, 126820), (340, 117868), (373, 107440), (395, 101456), (632, 63410), (680, 58934), (746, 53720), (790, 50728), (1264, 31705), (1343, 29840), (1360, 29467), (1492, 26860), (1580, 25364), (1865, 21488), (2686, 14920), (2984, 13430), (3160, 12682), (3730, 10744), (5372, 7460), (5968, 6715), (6320, 6341)]