40076720

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{7477}}^1$

素因数の和:7557

約数の個数: 40

約数和(自身を含む): 94581744

約数和(自身を除く): 54505024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 2680, 5360, 7477, 14954, 29908, 37385, 59816, 74770, 119632, 149540, 299080, 500959, 598160, 1001918, 2003836, 2504795, 4007672, 5009590, 8015344, 10019180, 20038360, 40076720]

約数ペア:

[(1, 40076720), (2, 20038360), (4, 10019180), (5, 8015344), (8, 5009590), (10, 4007672), (16, 2504795), (20, 2003836), (40, 1001918), (67, 598160), (80, 500959), (134, 299080), (268, 149540), (335, 119632), (536, 74770), (670, 59816), (1072, 37385), (1340, 29908), (2680, 14954), (5360, 7477)]