70987720

素因数分解:

$2^3\times 5^1\times {\mathrm{283}}^1\times {\mathrm{6271}}^1$

素因数の和:6565

約数の個数: 32

約数和(自身を含む): 160312320

約数和(自身を除く): 89324600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 283, 566, 1132, 1415, 2264, 2830, 5660, 6271, 11320, 12542, 25084, 31355, 50168, 62710, 125420, 250840, 1774693, 3549386, 7098772, 8873465, 14197544, 17746930, 35493860, 70987720]

約数ペア:

[(1, 70987720), (2, 35493860), (4, 17746930), (5, 14197544), (8, 8873465), (10, 7098772), (20, 3549386), (40, 1774693), (283, 250840), (566, 125420), (1132, 62710), (1415, 50168), (2264, 31355), (2830, 25084), (5660, 12542), (6271, 11320)]