64928440

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{95483}}^1$

素因数の和:95511

約数の個数: 32

約数和(自身を含む): 154684080

約数和(自身を除く): 89755640

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 95483, 190966, 381932, 477415, 763864, 954830, 1623211, 1909660, 3246422, 3819320, 6492844, 8116055, 12985688, 16232110, 32464220, 64928440]

約数ペア:

[(1, 64928440), (2, 32464220), (4, 16232110), (5, 12985688), (8, 8116055), (10, 6492844), (17, 3819320), (20, 3246422), (34, 1909660), (40, 1623211), (68, 954830), (85, 763864), (136, 477415), (170, 381932), (340, 190966), (680, 95483)]