28019075

素因数分解:

$5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{5521}}^1$

素因数の和:5567

約数の個数: 24

約数和(自身を含む): 41083680

約数和(自身を除く): 13064605

約数列:

[1, 5, 7, 25, 29, 35, 145, 175, 203, 725, 1015, 5075, 5521, 27605, 38647, 138025, 160109, 193235, 800545, 966175, 1120763, 4002725, 5603815, 28019075]

約数ペア:

[(1, 28019075), (5, 5603815), (7, 4002725), (25, 1120763), (29, 966175), (35, 800545), (145, 193235), (175, 160109), (203, 138025), (725, 38647), (1015, 27605), (5075, 5521)]