38644840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{74317}}^1$

素因数の和:74341

約数の個数: 32

約数和(自身を含む): 93640680

約数和(自身を除く): 54995840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 74317, 148634, 297268, 371585, 594536, 743170, 966121, 1486340, 1932242, 2972680, 3864484, 4830605, 7728968, 9661210, 19322420, 38644840]

約数ペア:

[(1, 38644840), (2, 19322420), (4, 9661210), (5, 7728968), (8, 4830605), (10, 3864484), (13, 2972680), (20, 1932242), (26, 1486340), (40, 966121), (52, 743170), (65, 594536), (104, 371585), (130, 297268), (260, 148634), (520, 74317)]