64073920

素因数分解:

$2^6\times 5^1\times {\mathrm{200231}}^1$

素因数の和:200248

約数の個数: 28

約数和(自身を含む): 152576784

約数和(自身を除く): 88502864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 200231, 400462, 800924, 1001155, 1601848, 2002310, 3203696, 4004620, 6407392, 8009240, 12814784, 16018480, 32036960, 64073920]

約数ペア:

[(1, 64073920), (2, 32036960), (4, 16018480), (5, 12814784), (8, 8009240), (10, 6407392), (16, 4004620), (20, 3203696), (32, 2002310), (40, 1601848), (64, 1001155), (80, 800924), (160, 400462), (320, 200231)]