320858200

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{123407}}^1$

素因数の和:123436

約数の個数: 48

約数和(自身を含む): 803386080

約数和(自身を除く): 482527880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 123407, 246814, 493628, 617035, 987256, 1234070, 1604291, 2468140, 3085175, 3208582, 4936280, 6170350, 6417164, 8021455, 12340700, 12834328, 16042910, 24681400, 32085820, 40107275, 64171640, 80214550, 160429100, 320858200]

約数ペア:

[(1, 320858200), (2, 160429100), (4, 80214550), (5, 64171640), (8, 40107275), (10, 32085820), (13, 24681400), (20, 16042910), (25, 12834328), (26, 12340700), (40, 8021455), (50, 6417164), (52, 6170350), (65, 4936280), (100, 3208582), (104, 3085175), (130, 2468140), (200, 1604291), (260, 1234070), (325, 987256), (520, 617035), (650, 493628), (1300, 246814), (2600, 123407)]