11519240

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{4721}}^1$

素因数の和:4793

約数の個数: 32

約数和(自身を含む): 26348760

約数和(自身を除く): 14829520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 4721, 9442, 18884, 23605, 37768, 47210, 94420, 188840, 287981, 575962, 1151924, 1439905, 2303848, 2879810, 5759620, 11519240]

約数ペア:

[(1, 11519240), (2, 5759620), (4, 2879810), (5, 2303848), (8, 1439905), (10, 1151924), (20, 575962), (40, 287981), (61, 188840), (122, 94420), (244, 47210), (305, 37768), (488, 23605), (610, 18884), (1220, 9442), (2440, 4721)]