87271960

素因数分解:

$2^3\times 5^1\times {\mathrm{151}}^1\times {\mathrm{14449}}^1$

素因数の和:14611

約数の個数: 32

約数和(自身を含む): 197676000

約数和(自身を除く): 110404040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 151, 302, 604, 755, 1208, 1510, 3020, 6040, 14449, 28898, 57796, 72245, 115592, 144490, 288980, 577960, 2181799, 4363598, 8727196, 10908995, 17454392, 21817990, 43635980, 87271960]

約数ペア:

[(1, 87271960), (2, 43635980), (4, 21817990), (5, 17454392), (8, 10908995), (10, 8727196), (20, 4363598), (40, 2181799), (151, 577960), (302, 288980), (604, 144490), (755, 115592), (1208, 72245), (1510, 57796), (3020, 28898), (6040, 14449)]