64070680

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43291}}^1$

素因数の和:43339

約数の個数: 32

約数和(自身を含む): 148058640

約数和(自身を除く): 83987960

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 43291, 86582, 173164, 216455, 346328, 432910, 865820, 1601767, 1731640, 3203534, 6407068, 8008835, 12814136, 16017670, 32035340, 64070680]

約数ペア:

[(1, 64070680), (2, 32035340), (4, 16017670), (5, 12814136), (8, 8008835), (10, 6407068), (20, 3203534), (37, 1731640), (40, 1601767), (74, 865820), (148, 432910), (185, 346328), (296, 216455), (370, 173164), (740, 86582), (1480, 43291)]