8917840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5867}}^1$

素因数の和:5899

約数の個数: 40

約数和(自身を含む): 21828960

約数和(自身を除く): 12911120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 5867, 11734, 23468, 29335, 46936, 58670, 93872, 111473, 117340, 222946, 234680, 445892, 469360, 557365, 891784, 1114730, 1783568, 2229460, 4458920, 8917840]

約数ペア:

[(1, 8917840), (2, 4458920), (4, 2229460), (5, 1783568), (8, 1114730), (10, 891784), (16, 557365), (19, 469360), (20, 445892), (38, 234680), (40, 222946), (76, 117340), (80, 111473), (95, 93872), (152, 58670), (190, 46936), (304, 29335), (380, 23468), (760, 11734), (1520, 5867)]