18350800

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{3529}}^1$

素因数の和:3560

約数の個数: 60

約数和(自身を含む): 47492620

約数和(自身を除く): 29141820

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 520, 650, 1040, 1300, 2600, 3529, 5200, 7058, 14116, 17645, 28232, 35290, 45877, 56464, 70580, 88225, 91754, 141160, 176450, 183508, 229385, 282320, 352900, 367016, 458770, 705800, 734032, 917540, 1146925, 1411600, 1835080, 2293850, 3670160, 4587700, 9175400, 18350800]

約数ペア:

[(1, 18350800), (2, 9175400), (4, 4587700), (5, 3670160), (8, 2293850), (10, 1835080), (13, 1411600), (16, 1146925), (20, 917540), (25, 734032), (26, 705800), (40, 458770), (50, 367016), (52, 352900), (65, 282320), (80, 229385), (100, 183508), (104, 176450), (130, 141160), (200, 91754), (208, 88225), (260, 70580), (325, 56464), (400, 45877), (520, 35290), (650, 28232), (1040, 17645), (1300, 14116), (2600, 7058), (3529, 5200)]