261032980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43651}}^1$

素因数の和:43696

約数の個数: 48

約数和(自身を含む): 616017024

約数和(自身を除く): 354984044

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 115, 130, 230, 260, 299, 460, 598, 1196, 1495, 2990, 5980, 43651, 87302, 174604, 218255, 436510, 567463, 873020, 1003973, 1134926, 2007946, 2269852, 2837315, 4015892, 5019865, 5674630, 10039730, 11349260, 13051649, 20079460, 26103298, 52206596, 65258245, 130516490, 261032980]

約数ペア:

[(1, 261032980), (2, 130516490), (4, 65258245), (5, 52206596), (10, 26103298), (13, 20079460), (20, 13051649), (23, 11349260), (26, 10039730), (46, 5674630), (52, 5019865), (65, 4015892), (92, 2837315), (115, 2269852), (130, 2007946), (230, 1134926), (260, 1003973), (299, 873020), (460, 567463), (598, 436510), (1196, 218255), (1495, 174604), (2990, 87302), (5980, 43651)]