22131920

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{7477}}^1$

素因数の和:7527

約数の個数: 40

約数和(自身を含む): 52854504

約数和(自身を除く): 30722584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 7477, 14954, 29908, 37385, 59816, 74770, 119632, 149540, 276649, 299080, 553298, 598160, 1106596, 1383245, 2213192, 2766490, 4426384, 5532980, 11065960, 22131920]

約数ペア:

[(1, 22131920), (2, 11065960), (4, 5532980), (5, 4426384), (8, 2766490), (10, 2213192), (16, 1383245), (20, 1106596), (37, 598160), (40, 553298), (74, 299080), (80, 276649), (148, 149540), (185, 119632), (296, 74770), (370, 59816), (592, 37385), (740, 29908), (1480, 14954), (2960, 7477)]