68221240

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{21589}}^1$

素因数の和:21679

約数の個数: 32

約数和(自身を含む): 155448000

約数和(自身を除く): 87226760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 21589, 43178, 86356, 107945, 172712, 215890, 431780, 863560, 1705531, 3411062, 6822124, 8527655, 13644248, 17055310, 34110620, 68221240]

約数ペア:

[(1, 68221240), (2, 34110620), (4, 17055310), (5, 13644248), (8, 8527655), (10, 6822124), (20, 3411062), (40, 1705531), (79, 863560), (158, 431780), (316, 215890), (395, 172712), (632, 107945), (790, 86356), (1580, 43178), (3160, 21589)]