38880920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{74771}}^1$

素因数の和:74795

約数の個数: 32

約数和(自身を含む): 94212720

約数和(自身を除く): 55331800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 74771, 149542, 299084, 373855, 598168, 747710, 972023, 1495420, 1944046, 2990840, 3888092, 4860115, 7776184, 9720230, 19440460, 38880920]

約数ペア:

[(1, 38880920), (2, 19440460), (4, 9720230), (5, 7776184), (8, 4860115), (10, 3888092), (13, 2990840), (20, 1944046), (26, 1495420), (40, 972023), (52, 747710), (65, 598168), (104, 373855), (130, 299084), (260, 149542), (520, 74771)]