1285353920

素因数分解:

$2^6\times 5^1\times {\mathrm{4016731}}^1$

素因数の和:4016748

約数の個数: 28

約数和(自身を含む): 3060749784

約数和(自身を除く): 1775395864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 4016731, 8033462, 16066924, 20083655, 32133848, 40167310, 64267696, 80334620, 128535392, 160669240, 257070784, 321338480, 642676960, 1285353920]

約数ペア:

[(1, 1285353920), (2, 642676960), (4, 321338480), (5, 257070784), (8, 160669240), (10, 128535392), (16, 80334620), (20, 64267696), (32, 40167310), (40, 32133848), (64, 20083655), (80, 16066924), (160, 8033462), (320, 4016731)]