27604240

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{3877}}^1$

素因数の和:3979

約数の個数: 40

約数和(自身を含む): 64917720

約数和(自身を除く): 37313480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 3877, 7120, 7754, 15508, 19385, 31016, 38770, 62032, 77540, 155080, 310160, 345053, 690106, 1380212, 1725265, 2760424, 3450530, 5520848, 6901060, 13802120, 27604240]

約数ペア:

[(1, 27604240), (2, 13802120), (4, 6901060), (5, 5520848), (8, 3450530), (10, 2760424), (16, 1725265), (20, 1380212), (40, 690106), (80, 345053), (89, 310160), (178, 155080), (356, 77540), (445, 62032), (712, 38770), (890, 31016), (1424, 19385), (1780, 15508), (3560, 7754), (3877, 7120)]