204385760

素因数分解:

$2^5\times 5^1\times {\mathrm{809}}^1\times {\mathrm{1579}}^1$

素因数の和:2403

約数の個数: 48

約数和(自身を含む): 483764400

約数和(自身を除く): 279378640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 809, 1579, 1618, 3158, 3236, 4045, 6316, 6472, 7895, 8090, 12632, 12944, 15790, 16180, 25264, 25888, 31580, 32360, 50528, 63160, 64720, 126320, 129440, 252640, 1277411, 2554822, 5109644, 6387055, 10219288, 12774110, 20438576, 25548220, 40877152, 51096440, 102192880, 204385760]

約数ペア:

[(1, 204385760), (2, 102192880), (4, 51096440), (5, 40877152), (8, 25548220), (10, 20438576), (16, 12774110), (20, 10219288), (32, 6387055), (40, 5109644), (80, 2554822), (160, 1277411), (809, 252640), (1579, 129440), (1618, 126320), (3158, 64720), (3236, 63160), (4045, 50528), (6316, 32360), (6472, 31580), (7895, 25888), (8090, 25264), (12632, 16180), (12944, 15790)]