89307640

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{60343}}^1$

素因数の和:60391

約数の個数: 32

約数和(自身を含む): 206376480

約数和(自身を除く): 117068840

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 60343, 120686, 241372, 301715, 482744, 603430, 1206860, 2232691, 2413720, 4465382, 8930764, 11163455, 17861528, 22326910, 44653820, 89307640]

約数ペア:

[(1, 89307640), (2, 44653820), (4, 22326910), (5, 17861528), (8, 11163455), (10, 8930764), (20, 4465382), (37, 2413720), (40, 2232691), (74, 1206860), (148, 603430), (185, 482744), (296, 301715), (370, 241372), (740, 120686), (1480, 60343)]