17990050

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{2129}}^1$

素因数の和:2167

約数の個数: 36

約数和(自身を含む): 36250470

約数和(自身を除く): 18260420

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 169, 325, 338, 650, 845, 1690, 2129, 4225, 4258, 8450, 10645, 21290, 27677, 53225, 55354, 106450, 138385, 276770, 359801, 691925, 719602, 1383850, 1799005, 3598010, 8995025, 17990050]

約数ペア:

[(1, 17990050), (2, 8995025), (5, 3598010), (10, 1799005), (13, 1383850), (25, 719602), (26, 691925), (50, 359801), (65, 276770), (130, 138385), (169, 106450), (325, 55354), (338, 53225), (650, 27677), (845, 21290), (1690, 10645), (2129, 8450), (4225, 4258)]