31668520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{60901}}^1$

素因数の和:60925

約数の個数: 32

約数和(自身を含む): 76736520

約数和(自身を除く): 45068000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 60901, 121802, 243604, 304505, 487208, 609010, 791713, 1218020, 1583426, 2436040, 3166852, 3958565, 6333704, 7917130, 15834260, 31668520]

約数ペア:

[(1, 31668520), (2, 15834260), (4, 7917130), (5, 6333704), (8, 3958565), (10, 3166852), (13, 2436040), (20, 1583426), (26, 1218020), (40, 791713), (52, 609010), (65, 487208), (104, 304505), (130, 243604), (260, 121802), (520, 60901)]