18060880

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{3701}}^1$

素因数の和:3775

約数の個数: 40

約数和(自身を含む): 42691464

約数和(自身を除く): 24630584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 3701, 4880, 7402, 14804, 18505, 29608, 37010, 59216, 74020, 148040, 225761, 296080, 451522, 903044, 1128805, 1806088, 2257610, 3612176, 4515220, 9030440, 18060880]

約数ペア:

[(1, 18060880), (2, 9030440), (4, 4515220), (5, 3612176), (8, 2257610), (10, 1806088), (16, 1128805), (20, 903044), (40, 451522), (61, 296080), (80, 225761), (122, 148040), (244, 74020), (305, 59216), (488, 37010), (610, 29608), (976, 18505), (1220, 14804), (2440, 7402), (3701, 4880)]