31437160

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{661}}^1$

素因数の和:742

約数の個数: 64

約数和(自身を含む): 75070800

約数和(自身を除く): 43633640

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 41, 58, 82, 116, 145, 164, 205, 232, 290, 328, 410, 580, 661, 820, 1160, 1189, 1322, 1640, 2378, 2644, 3305, 4756, 5288, 5945, 6610, 9512, 11890, 13220, 19169, 23780, 26440, 27101, 38338, 47560, 54202, 76676, 95845, 108404, 135505, 153352, 191690, 216808, 271010, 383380, 542020, 766760, 785929, 1084040, 1571858, 3143716, 3929645, 6287432, 7859290, 15718580, 31437160]

約数ペア:

[(1, 31437160), (2, 15718580), (4, 7859290), (5, 6287432), (8, 3929645), (10, 3143716), (20, 1571858), (29, 1084040), (40, 785929), (41, 766760), (58, 542020), (82, 383380), (116, 271010), (145, 216808), (164, 191690), (205, 153352), (232, 135505), (290, 108404), (328, 95845), (410, 76676), (580, 54202), (661, 47560), (820, 38338), (1160, 27101), (1189, 26440), (1322, 23780), (1640, 19169), (2378, 13220), (2644, 11890), (3305, 9512), (4756, 6610), (5288, 5945)]