2788840

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{617}}^1$

素因数の和:741

約数の個数: 32

約数和(自身を含む): 6340680

約数和(自身を除く): 3551840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 617, 904, 1130, 1234, 2260, 2468, 3085, 4520, 4936, 6170, 12340, 24680, 69721, 139442, 278884, 348605, 557768, 697210, 1394420, 2788840]

約数ペア:

[(1, 2788840), (2, 1394420), (4, 697210), (5, 557768), (8, 348605), (10, 278884), (20, 139442), (40, 69721), (113, 24680), (226, 12340), (452, 6170), (565, 4936), (617, 4520), (904, 3085), (1130, 2468), (1234, 2260)]