86671240

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{35521}}^1$

素因数の和:35593

約数の個数: 32

約数和(自身を含む): 198212760

約数和(自身を除く): 111541520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 35521, 71042, 142084, 177605, 284168, 355210, 710420, 1420840, 2166781, 4333562, 8667124, 10833905, 17334248, 21667810, 43335620, 86671240]

約数ペア:

[(1, 86671240), (2, 43335620), (4, 21667810), (5, 17334248), (8, 10833905), (10, 8667124), (20, 4333562), (40, 2166781), (61, 1420840), (122, 710420), (244, 355210), (305, 284168), (488, 177605), (610, 142084), (1220, 71042), (2440, 35521)]