89711180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{887}}^1$

素因数の和:1298

約数の個数: 48

約数和(自身を含む): 203636160

約数和(自身を除く): 113924980

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 389, 778, 887, 1556, 1774, 1945, 3548, 3890, 4435, 5057, 7780, 8870, 10114, 11531, 17740, 20228, 23062, 25285, 46124, 50570, 57655, 101140, 115310, 230620, 345043, 690086, 1380172, 1725215, 3450430, 4485559, 6900860, 8971118, 17942236, 22427795, 44855590, 89711180]

約数ペア:

[(1, 89711180), (2, 44855590), (4, 22427795), (5, 17942236), (10, 8971118), (13, 6900860), (20, 4485559), (26, 3450430), (52, 1725215), (65, 1380172), (130, 690086), (260, 345043), (389, 230620), (778, 115310), (887, 101140), (1556, 57655), (1774, 50570), (1945, 46124), (3548, 25285), (3890, 23062), (4435, 20228), (5057, 17740), (7780, 11531), (8870, 10114)]