16886480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1249}}^1$

素因数の和:1288

約数の個数: 60

約数和(自身を含む): 42547500

約数和(自身を除く): 25661020

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 169, 208, 260, 338, 520, 676, 845, 1040, 1249, 1352, 1690, 2498, 2704, 3380, 4996, 6245, 6760, 9992, 12490, 13520, 16237, 19984, 24980, 32474, 49960, 64948, 81185, 99920, 129896, 162370, 211081, 259792, 324740, 422162, 649480, 844324, 1055405, 1298960, 1688648, 2110810, 3377296, 4221620, 8443240, 16886480]

約数ペア:

[(1, 16886480), (2, 8443240), (4, 4221620), (5, 3377296), (8, 2110810), (10, 1688648), (13, 1298960), (16, 1055405), (20, 844324), (26, 649480), (40, 422162), (52, 324740), (65, 259792), (80, 211081), (104, 162370), (130, 129896), (169, 99920), (208, 81185), (260, 64948), (338, 49960), (520, 32474), (676, 24980), (845, 19984), (1040, 16237), (1249, 13520), (1352, 12490), (1690, 9992), (2498, 6760), (2704, 6245), (3380, 4996)]