40557985

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{193}}^1$

素因数の和:325

約数の個数: 32

約数和(自身を含む): 54559008

約数和(自身を除く): 14001023

約数列:

[1, 5, 13, 53, 61, 65, 193, 265, 305, 689, 793, 965, 2509, 3233, 3445, 3965, 10229, 11773, 12545, 16165, 42029, 51145, 58865, 132977, 153049, 210145, 623969, 664885, 765245, 3119845, 8111597, 40557985]

約数ペア:

[(1, 40557985), (5, 8111597), (13, 3119845), (53, 765245), (61, 664885), (65, 623969), (193, 210145), (265, 153049), (305, 132977), (689, 58865), (793, 51145), (965, 42029), (2509, 16165), (3233, 12545), (3445, 11773), (3965, 10229)]