18067400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{6949}}^1$

素因数の和:6978

約数の個数: 48

約数和(自身を含む): 45244500

約数和(自身を除く): 27177100

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, 6949, 13898, 27796, 34745, 55592, 69490, 90337, 138980, 173725, 180674, 277960, 347450, 361348, 451685, 694900, 722696, 903370, 1389800, 1806740, 2258425, 3613480, 4516850, 9033700, 18067400]

約数ペア:

[(1, 18067400), (2, 9033700), (4, 4516850), (5, 3613480), (8, 2258425), (10, 1806740), (13, 1389800), (20, 903370), (25, 722696), (26, 694900), (40, 451685), (50, 361348), (52, 347450), (65, 277960), (100, 180674), (104, 173725), (130, 138980), (200, 90337), (260, 69490), (325, 55592), (520, 34745), (650, 27796), (1300, 13898), (2600, 6949)]