129756080

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{52321}}^1$

素因数の和:52365

約数の個数: 40

約数和(自身を含む): 311420544

約数和(自身を除く): 181664464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 52321, 104642, 209284, 261605, 418568, 523210, 837136, 1046420, 1621951, 2092840, 3243902, 4185680, 6487804, 8109755, 12975608, 16219510, 25951216, 32439020, 64878040, 129756080]

約数ペア:

[(1, 129756080), (2, 64878040), (4, 32439020), (5, 25951216), (8, 16219510), (10, 12975608), (16, 8109755), (20, 6487804), (31, 4185680), (40, 3243902), (62, 2092840), (80, 1621951), (124, 1046420), (155, 837136), (248, 523210), (310, 418568), (496, 261605), (620, 209284), (1240, 104642), (2480, 52321)]