325862360

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{1021}}^1$

素因数の和:1212

約数の個数: 64

約数和(自身を含む): 750556800

約数和(自身を除く): 424694440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 101, 158, 202, 316, 395, 404, 505, 632, 790, 808, 1010, 1021, 1580, 2020, 2042, 3160, 4040, 4084, 5105, 7979, 8168, 10210, 15958, 20420, 31916, 39895, 40840, 63832, 79790, 80659, 103121, 159580, 161318, 206242, 319160, 322636, 403295, 412484, 515605, 645272, 806590, 824968, 1031210, 1613180, 2062420, 3226360, 4124840, 8146559, 16293118, 32586236, 40732795, 65172472, 81465590, 162931180, 325862360]

約数ペア:

[(1, 325862360), (2, 162931180), (4, 81465590), (5, 65172472), (8, 40732795), (10, 32586236), (20, 16293118), (40, 8146559), (79, 4124840), (101, 3226360), (158, 2062420), (202, 1613180), (316, 1031210), (395, 824968), (404, 806590), (505, 645272), (632, 515605), (790, 412484), (808, 403295), (1010, 322636), (1021, 319160), (1580, 206242), (2020, 161318), (2042, 159580), (3160, 103121), (4040, 80659), (4084, 79790), (5105, 63832), (7979, 40840), (8168, 39895), (10210, 31916), (15958, 20420)]