61650640

素因数分解:

$2^4\times 5^1\times {\mathrm{617}}^1\times {\mathrm{1249}}^1$

素因数の和:1879

約数の個数: 40

約数和(自身を含む): 143685000

約数和(自身を除く): 82034360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 617, 1234, 1249, 2468, 2498, 3085, 4936, 4996, 6170, 6245, 9872, 9992, 12340, 12490, 19984, 24680, 24980, 49360, 49960, 99920, 770633, 1541266, 3082532, 3853165, 6165064, 7706330, 12330128, 15412660, 30825320, 61650640]

約数ペア:

[(1, 61650640), (2, 30825320), (4, 15412660), (5, 12330128), (8, 7706330), (10, 6165064), (16, 3853165), (20, 3082532), (40, 1541266), (80, 770633), (617, 99920), (1234, 49960), (1249, 49360), (2468, 24980), (2498, 24680), (3085, 19984), (4936, 12490), (4996, 12340), (6170, 9992), (6245, 9872)]