201889640

素因数分解:

$2^3\times 5^1\times {\mathrm{167}}^1\times {\mathrm{30223}}^1$

素因数の和:30401

約数の個数: 32

約数和(自身を含む): 456986880

約数和(自身を除く): 255097240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 167, 334, 668, 835, 1336, 1670, 3340, 6680, 30223, 60446, 120892, 151115, 241784, 302230, 604460, 1208920, 5047241, 10094482, 20188964, 25236205, 40377928, 50472410, 100944820, 201889640]

約数ペア:

[(1, 201889640), (2, 100944820), (4, 50472410), (5, 40377928), (8, 25236205), (10, 20188964), (20, 10094482), (40, 5047241), (167, 1208920), (334, 604460), (668, 302230), (835, 241784), (1336, 151115), (1670, 120892), (3340, 60446), (6680, 30223)]