2486920

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{787}}^1$

素因数の和:877

約数の個数: 32

約数和(自身を含む): 5673600

約数和(自身を除く): 3186680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 787, 790, 1574, 1580, 3148, 3160, 3935, 6296, 7870, 15740, 31480, 62173, 124346, 248692, 310865, 497384, 621730, 1243460, 2486920]

約数ペア:

[(1, 2486920), (2, 1243460), (4, 621730), (5, 497384), (8, 310865), (10, 248692), (20, 124346), (40, 62173), (79, 31480), (158, 15740), (316, 7870), (395, 6296), (632, 3935), (787, 3160), (790, 3148), (1574, 1580)]