90180125

素因数分解:

$5^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{4481}}^1$

素因数の和:4526

約数の個数: 32

約数和(自身を含む): 134244864

約数和(自身を除く): 44064739

約数列:

[1, 5, 7, 23, 25, 35, 115, 125, 161, 175, 575, 805, 875, 2875, 4025, 4481, 20125, 22405, 31367, 103063, 112025, 156835, 515315, 560125, 721441, 784175, 2576575, 3607205, 3920875, 12882875, 18036025, 90180125]

約数ペア:

[(1, 90180125), (5, 18036025), (7, 12882875), (23, 3920875), (25, 3607205), (35, 2576575), (115, 784175), (125, 721441), (161, 560125), (175, 515315), (575, 156835), (805, 112025), (875, 103063), (2875, 31367), (4025, 22405), (4481, 20125)]