28744600

素因数分解:

$2^3\times 5^2\times {\mathrm{101}}^1\times {\mathrm{1423}}^1$

素因数の和:1540

約数の個数: 48

約数和(自身を含む): 67540320

約数和(自身を除く): 38795720

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 101, 200, 202, 404, 505, 808, 1010, 1423, 2020, 2525, 2846, 4040, 5050, 5692, 7115, 10100, 11384, 14230, 20200, 28460, 35575, 56920, 71150, 142300, 143723, 284600, 287446, 574892, 718615, 1149784, 1437230, 2874460, 3593075, 5748920, 7186150, 14372300, 28744600]

約数ペア:

[(1, 28744600), (2, 14372300), (4, 7186150), (5, 5748920), (8, 3593075), (10, 2874460), (20, 1437230), (25, 1149784), (40, 718615), (50, 574892), (100, 287446), (101, 284600), (200, 143723), (202, 142300), (404, 71150), (505, 56920), (808, 35575), (1010, 28460), (1423, 20200), (2020, 14230), (2525, 11384), (2846, 10100), (4040, 7115), (5050, 5692)]