38916020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{1237}}^1$

素因数の和:1281

約数の個数: 72

約数和(自身を含む): 96816552

約数和(自身を除く): 57900532

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 121, 130, 143, 220, 242, 260, 286, 484, 572, 605, 715, 1210, 1237, 1430, 1573, 2420, 2474, 2860, 3146, 4948, 6185, 6292, 7865, 12370, 13607, 15730, 16081, 24740, 27214, 31460, 32162, 54428, 64324, 68035, 80405, 136070, 149677, 160810, 176891, 272140, 299354, 321620, 353782, 598708, 707564, 748385, 884455, 1496770, 1768910, 1945801, 2993540, 3537820, 3891602, 7783204, 9729005, 19458010, 38916020]

約数ペア:

[(1, 38916020), (2, 19458010), (4, 9729005), (5, 7783204), (10, 3891602), (11, 3537820), (13, 2993540), (20, 1945801), (22, 1768910), (26, 1496770), (44, 884455), (52, 748385), (55, 707564), (65, 598708), (110, 353782), (121, 321620), (130, 299354), (143, 272140), (220, 176891), (242, 160810), (260, 149677), (286, 136070), (484, 80405), (572, 68035), (605, 64324), (715, 54428), (1210, 32162), (1237, 31460), (1430, 27214), (1573, 24740), (2420, 16081), (2474, 15730), (2860, 13607), (3146, 12370), (4948, 7865), (6185, 6292)]