80517905

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{239}}^1$

素因数の和:401

約数の個数: 32

約数和(自身を含む): 107412480

約数和(自身を除く): 26894575

約数列:

[1, 5, 13, 65, 71, 73, 239, 355, 365, 923, 949, 1195, 3107, 4615, 4745, 5183, 15535, 16969, 17447, 25915, 67379, 84845, 87235, 220597, 226811, 336895, 1102985, 1134055, 1238737, 6193685, 16103581, 80517905]

約数ペア:

[(1, 80517905), (5, 16103581), (13, 6193685), (65, 1238737), (71, 1134055), (73, 1102985), (239, 336895), (355, 226811), (365, 220597), (923, 87235), (949, 84845), (1195, 67379), (3107, 25915), (4615, 17447), (4745, 16969), (5183, 15535)]