28446760

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{4363}}^1$

素因数の和:4537

約数の個数: 32

約数和(自身を含む): 64412640

約数和(自身を除く): 35965880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 4363, 6520, 8726, 17452, 21815, 34904, 43630, 87260, 174520, 711169, 1422338, 2844676, 3555845, 5689352, 7111690, 14223380, 28446760]

約数ペア:

[(1, 28446760), (2, 14223380), (4, 7111690), (5, 5689352), (8, 3555845), (10, 2844676), (20, 1422338), (40, 711169), (163, 174520), (326, 87260), (652, 43630), (815, 34904), (1304, 21815), (1630, 17452), (3260, 8726), (4363, 6520)]