87025900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{66943}}^1$

素因数の和:66970

約数の個数: 36

約数和(自身を含む): 203375872

約数和(自身を除く): 116349972

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 66943, 133886, 267772, 334715, 669430, 870259, 1338860, 1673575, 1740518, 3347150, 3481036, 4351295, 6694300, 8702590, 17405180, 21756475, 43512950, 87025900]

約数ペア:

[(1, 87025900), (2, 43512950), (4, 21756475), (5, 17405180), (10, 8702590), (13, 6694300), (20, 4351295), (25, 3481036), (26, 3347150), (50, 1740518), (52, 1673575), (65, 1338860), (100, 870259), (130, 669430), (260, 334715), (325, 267772), (650, 133886), (1300, 66943)]