16666520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{32051}}^1$

素因数の和:32075

約数の個数: 32

約数和(自身を含む): 40385520

約数和(自身を除く): 23719000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 32051, 64102, 128204, 160255, 256408, 320510, 416663, 641020, 833326, 1282040, 1666652, 2083315, 3333304, 4166630, 8333260, 16666520]

約数ペア:

[(1, 16666520), (2, 8333260), (4, 4166630), (5, 3333304), (8, 2083315), (10, 1666652), (13, 1282040), (20, 833326), (26, 641020), (40, 416663), (52, 320510), (65, 256408), (104, 160255), (130, 128204), (260, 64102), (520, 32051)]