40620320

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{331}}^1$

素因数の和:418

約数の個数: 96

約数和(自身を含む): 105416640

約数和(自身を除く): 64796320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 59, 65, 80, 104, 118, 130, 160, 208, 236, 260, 295, 331, 416, 472, 520, 590, 662, 767, 944, 1040, 1180, 1324, 1534, 1655, 1888, 2080, 2360, 2648, 3068, 3310, 3835, 4303, 4720, 5296, 6136, 6620, 7670, 8606, 9440, 10592, 12272, 13240, 15340, 17212, 19529, 21515, 24544, 26480, 30680, 34424, 39058, 43030, 52960, 61360, 68848, 78116, 86060, 97645, 122720, 137696, 156232, 172120, 195290, 253877, 312464, 344240, 390580, 507754, 624928, 688480, 781160, 1015508, 1269385, 1562320, 2031016, 2538770, 3124640, 4062032, 5077540, 8124064, 10155080, 20310160, 40620320]

約数ペア:

[(1, 40620320), (2, 20310160), (4, 10155080), (5, 8124064), (8, 5077540), (10, 4062032), (13, 3124640), (16, 2538770), (20, 2031016), (26, 1562320), (32, 1269385), (40, 1015508), (52, 781160), (59, 688480), (65, 624928), (80, 507754), (104, 390580), (118, 344240), (130, 312464), (160, 253877), (208, 195290), (236, 172120), (260, 156232), (295, 137696), (331, 122720), (416, 97645), (472, 86060), (520, 78116), (590, 68848), (662, 61360), (767, 52960), (944, 43030), (1040, 39058), (1180, 34424), (1324, 30680), (1534, 26480), (1655, 24544), (1888, 21515), (2080, 19529), (2360, 17212), (2648, 15340), (3068, 13240), (3310, 12272), (3835, 10592), (4303, 9440), (4720, 8606), (5296, 7670), (6136, 6620)]