2018128675

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{2633}}^1$

素因数の和:2740

約数の個数: 48

約数和(自身を含む): 2759251968

約数和(自身を除く): 741123293

約数列:

[1, 5, 23, 25, 31, 43, 115, 155, 215, 575, 713, 775, 989, 1075, 1333, 2633, 3565, 4945, 6665, 13165, 17825, 24725, 30659, 33325, 60559, 65825, 81623, 113219, 153295, 302795, 408115, 566095, 766475, 1513975, 1877329, 2040575, 2604037, 2830475, 3509789, 9386645, 13020185, 17548945, 46933225, 65100925, 80725147, 87744725, 403625735, 2018128675]

約数ペア:

[(1, 2018128675), (5, 403625735), (23, 87744725), (25, 80725147), (31, 65100925), (43, 46933225), (115, 17548945), (155, 13020185), (215, 9386645), (575, 3509789), (713, 2830475), (775, 2604037), (989, 2040575), (1075, 1877329), (1333, 1513975), (2633, 766475), (3565, 566095), (4945, 408115), (6665, 302795), (13165, 153295), (17825, 113219), (24725, 81623), (30659, 65825), (33325, 60559)]