31812440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{4253}}^1$

素因数の和:4292

約数の個数: 64

約数和(自身を含む): 82697760

約数和(自身を除く): 50885320

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 136, 170, 187, 220, 340, 374, 440, 680, 748, 935, 1496, 1870, 3740, 4253, 7480, 8506, 17012, 21265, 34024, 42530, 46783, 72301, 85060, 93566, 144602, 170120, 187132, 233915, 289204, 361505, 374264, 467830, 578408, 723010, 795311, 935660, 1446020, 1590622, 1871320, 2892040, 3181244, 3976555, 6362488, 7953110, 15906220, 31812440]

約数ペア:

[(1, 31812440), (2, 15906220), (4, 7953110), (5, 6362488), (8, 3976555), (10, 3181244), (11, 2892040), (17, 1871320), (20, 1590622), (22, 1446020), (34, 935660), (40, 795311), (44, 723010), (55, 578408), (68, 467830), (85, 374264), (88, 361505), (110, 289204), (136, 233915), (170, 187132), (187, 170120), (220, 144602), (340, 93566), (374, 85060), (440, 72301), (680, 46783), (748, 42530), (935, 34024), (1496, 21265), (1870, 17012), (3740, 8506), (4253, 7480)]