74767780

素因数分解:

$2^2\times 5^1\times {\mathrm{809}}^1\times {\mathrm{4621}}^1$

素因数の和:5439

約数の個数: 24

約数和(自身を含む): 157240440

約数和(自身を除く): 82472660

約数列:

[1, 2, 4, 5, 10, 20, 809, 1618, 3236, 4045, 4621, 8090, 9242, 16180, 18484, 23105, 46210, 92420, 3738389, 7476778, 14953556, 18691945, 37383890, 74767780]

約数ペア:

[(1, 74767780), (2, 37383890), (4, 18691945), (5, 14953556), (10, 7476778), (20, 3738389), (809, 92420), (1618, 46210), (3236, 23105), (4045, 18484), (4621, 16180), (8090, 9242)]