84120800

素因数分解:

$2^5\times 5^2\times {\mathrm{71}}^1\times {\mathrm{1481}}^1$

素因数の和:1572

約数の個数: 72

約数和(自身を含む): 208392912

約数和(自身を除く): 124272112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 71, 80, 100, 142, 160, 200, 284, 355, 400, 568, 710, 800, 1136, 1420, 1481, 1775, 2272, 2840, 2962, 3550, 5680, 5924, 7100, 7405, 11360, 11848, 14200, 14810, 23696, 28400, 29620, 37025, 47392, 56800, 59240, 74050, 105151, 118480, 148100, 210302, 236960, 296200, 420604, 525755, 592400, 841208, 1051510, 1184800, 1682416, 2103020, 2628775, 3364832, 4206040, 5257550, 8412080, 10515100, 16824160, 21030200, 42060400, 84120800]

約数ペア:

[(1, 84120800), (2, 42060400), (4, 21030200), (5, 16824160), (8, 10515100), (10, 8412080), (16, 5257550), (20, 4206040), (25, 3364832), (32, 2628775), (40, 2103020), (50, 1682416), (71, 1184800), (80, 1051510), (100, 841208), (142, 592400), (160, 525755), (200, 420604), (284, 296200), (355, 236960), (400, 210302), (568, 148100), (710, 118480), (800, 105151), (1136, 74050), (1420, 59240), (1481, 56800), (1775, 47392), (2272, 37025), (2840, 29620), (2962, 28400), (3550, 23696), (5680, 14810), (5924, 14200), (7100, 11848), (7405, 11360)]