139825160

素因数分解:

$2^3\times 5^1\times {\mathrm{271}}^1\times {\mathrm{12899}}^1$

素因数の和:13181

約数の個数: 32

約数和(自身を含む): 315792000

約数和(自身を除く): 175966840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 271, 542, 1084, 1355, 2168, 2710, 5420, 10840, 12899, 25798, 51596, 64495, 103192, 128990, 257980, 515960, 3495629, 6991258, 13982516, 17478145, 27965032, 34956290, 69912580, 139825160]

約数ペア:

[(1, 139825160), (2, 69912580), (4, 34956290), (5, 27965032), (8, 17478145), (10, 13982516), (20, 6991258), (40, 3495629), (271, 515960), (542, 257980), (1084, 128990), (1355, 103192), (2168, 64495), (2710, 51596), (5420, 25798), (10840, 12899)]