4640675

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1$

素因数の和:263

約数の個数: 24

約数和(自身を含む): 6301680

約数和(自身を除く): 1661005

約数列:

[1, 5, 13, 25, 65, 109, 131, 325, 545, 655, 1417, 1703, 2725, 3275, 7085, 8515, 14279, 35425, 42575, 71395, 185627, 356975, 928135, 4640675]

約数ペア:

[(1, 4640675), (5, 928135), (13, 356975), (25, 185627), (65, 71395), (109, 42575), (131, 35425), (325, 14279), (545, 8515), (655, 7085), (1417, 3275), (1703, 2725)]