71308040

素因数分解:

$2^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{7459}}^1$

素因数の和:7709

約数の個数: 32

約数和(自身を含む): 161136000

約数和(自身を除く): 89827960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 239, 478, 956, 1195, 1912, 2390, 4780, 7459, 9560, 14918, 29836, 37295, 59672, 74590, 149180, 298360, 1782701, 3565402, 7130804, 8913505, 14261608, 17827010, 35654020, 71308040]

約数ペア:

[(1, 71308040), (2, 35654020), (4, 17827010), (5, 14261608), (8, 8913505), (10, 7130804), (20, 3565402), (40, 1782701), (239, 298360), (478, 149180), (956, 74590), (1195, 59672), (1912, 37295), (2390, 29836), (4780, 14918), (7459, 9560)]