67668680

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{23827}}^1$

素因数の和:23909

約数の個数: 32

約数和(自身を含む): 154405440

約数和(自身を除く): 86736760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 23827, 47654, 95308, 119135, 190616, 238270, 476540, 953080, 1691717, 3383434, 6766868, 8458585, 13533736, 16917170, 33834340, 67668680]

約数ペア:

[(1, 67668680), (2, 33834340), (4, 16917170), (5, 13533736), (8, 8458585), (10, 6766868), (20, 3383434), (40, 1691717), (71, 953080), (142, 476540), (284, 238270), (355, 190616), (568, 119135), (710, 95308), (1420, 47654), (2840, 23827)]