4059640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1$

素因数の和:272

約数の個数: 64

約数和(自身を含む): 10150560

約数和(自身を除く): 6090920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 37, 40, 52, 65, 74, 104, 130, 148, 185, 211, 260, 296, 370, 422, 481, 520, 740, 844, 962, 1055, 1480, 1688, 1924, 2110, 2405, 2743, 3848, 4220, 4810, 5486, 7807, 8440, 9620, 10972, 13715, 15614, 19240, 21944, 27430, 31228, 39035, 54860, 62456, 78070, 101491, 109720, 156140, 202982, 312280, 405964, 507455, 811928, 1014910, 2029820, 4059640]

約数ペア:

[(1, 4059640), (2, 2029820), (4, 1014910), (5, 811928), (8, 507455), (10, 405964), (13, 312280), (20, 202982), (26, 156140), (37, 109720), (40, 101491), (52, 78070), (65, 62456), (74, 54860), (104, 39035), (130, 31228), (148, 27430), (185, 21944), (211, 19240), (260, 15614), (296, 13715), (370, 10972), (422, 9620), (481, 8440), (520, 7807), (740, 5486), (844, 4810), (962, 4220), (1055, 3848), (1480, 2743), (1688, 2405), (1924, 2110)]