8131630

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{881}}^1$

素因数の和:972

約数の個数: 32

約数和(自身を含む): 16003008

約数和(自身を除く): 7871378

約数列:

[1, 2, 5, 10, 13, 26, 65, 71, 130, 142, 355, 710, 881, 923, 1762, 1846, 4405, 4615, 8810, 9230, 11453, 22906, 57265, 62551, 114530, 125102, 312755, 625510, 813163, 1626326, 4065815, 8131630]

約数ペア:

[(1, 8131630), (2, 4065815), (5, 1626326), (10, 813163), (13, 625510), (26, 312755), (65, 125102), (71, 114530), (130, 62551), (142, 57265), (355, 22906), (710, 11453), (881, 9230), (923, 8810), (1762, 4615), (1846, 4405)]