38776400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{7457}}^1$

素因数の和:7488

約数の個数: 60

約数和(自身を含む): 100339932

約数和(自身を除く): 61563532

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, 5200, 7457, 14914, 29828, 37285, 59656, 74570, 96941, 119312, 149140, 186425, 193882, 298280, 372850, 387764, 484705, 596560, 745700, 775528, 969410, 1491400, 1551056, 1938820, 2423525, 2982800, 3877640, 4847050, 7755280, 9694100, 19388200, 38776400]

約数ペア:

[(1, 38776400), (2, 19388200), (4, 9694100), (5, 7755280), (8, 4847050), (10, 3877640), (13, 2982800), (16, 2423525), (20, 1938820), (25, 1551056), (26, 1491400), (40, 969410), (50, 775528), (52, 745700), (65, 596560), (80, 484705), (100, 387764), (104, 372850), (130, 298280), (200, 193882), (208, 186425), (260, 149140), (325, 119312), (400, 96941), (520, 74570), (650, 59656), (1040, 37285), (1300, 29828), (2600, 14914), (5200, 7457)]