31899820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{5519}}^1$

素因数の和:5562

約数の個数: 36

約数和(自身を含む): 71174880

約数和(自身を除く): 39275060

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 1156, 1445, 2890, 5519, 5780, 11038, 22076, 27595, 55190, 93823, 110380, 187646, 375292, 469115, 938230, 1594991, 1876460, 3189982, 6379964, 7974955, 15949910, 31899820]

約数ペア:

[(1, 31899820), (2, 15949910), (4, 7974955), (5, 6379964), (10, 3189982), (17, 1876460), (20, 1594991), (34, 938230), (68, 469115), (85, 375292), (170, 187646), (289, 110380), (340, 93823), (578, 55190), (1156, 27595), (1445, 22076), (2890, 11038), (5519, 5780)]