51697280

素因数分解:

$2^7\times 5^1\times {\mathrm{80777}}^1$

素因数の和:80796

約数の個数: 32

約数和(自身を含む): 123590340

約数和(自身を除く): 71893060

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 80777, 161554, 323108, 403885, 646216, 807770, 1292432, 1615540, 2584864, 3231080, 5169728, 6462160, 10339456, 12924320, 25848640, 51697280]

約数ペア:

[(1, 51697280), (2, 25848640), (4, 12924320), (5, 10339456), (8, 6462160), (10, 5169728), (16, 3231080), (20, 2584864), (32, 1615540), (40, 1292432), (64, 807770), (80, 646216), (128, 403885), (160, 323108), (320, 161554), (640, 80777)]