72521920

素因数分解:

$2^6\times 5^1\times {\mathrm{226631}}^1$

素因数の和:226648

約数の個数: 28

約数和(自身を含む): 172693584

約数和(自身を除く): 100171664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 226631, 453262, 906524, 1133155, 1813048, 2266310, 3626096, 4532620, 7252192, 9065240, 14504384, 18130480, 36260960, 72521920]

約数ペア:

[(1, 72521920), (2, 36260960), (4, 18130480), (5, 14504384), (8, 9065240), (10, 7252192), (16, 4532620), (20, 3626096), (32, 2266310), (40, 1813048), (64, 1133155), (80, 906524), (160, 453262), (320, 226631)]