1375909240

素因数分解:

$2^3\times 5^1\times {\mathrm{4397}}^1\times {\mathrm{7823}}^1$

素因数の和:12231

約数の個数: 32

約数和(自身を含む): 3096895680

約数和(自身を除く): 1720986440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4397, 7823, 8794, 15646, 17588, 21985, 31292, 35176, 39115, 43970, 62584, 78230, 87940, 156460, 175880, 312920, 34397731, 68795462, 137590924, 171988655, 275181848, 343977310, 687954620, 1375909240]

約数ペア:

[(1, 1375909240), (2, 687954620), (4, 343977310), (5, 275181848), (8, 171988655), (10, 137590924), (20, 68795462), (40, 34397731), (4397, 312920), (7823, 175880), (8794, 156460), (15646, 87940), (17588, 78230), (21985, 62584), (31292, 43970), (35176, 39115)]