20161164875

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{1531}}^1\times {\mathrm{6197}}^1$

素因数の和:7760

約数の個数: 32

約数和(自身を含む): 26662903488

約数和(自身を除く): 6501738613

約数列:

[1, 5, 17, 25, 85, 125, 425, 1531, 2125, 6197, 7655, 26027, 30985, 38275, 105349, 130135, 154925, 191375, 526745, 650675, 774625, 2633725, 3253375, 9487607, 13168625, 47438035, 161289319, 237190175, 806446595, 1185950875, 4032232975, 20161164875]

約数ペア:

[(1, 20161164875), (5, 4032232975), (17, 1185950875), (25, 806446595), (85, 237190175), (125, 161289319), (425, 47438035), (1531, 13168625), (2125, 9487607), (6197, 3253375), (7655, 2633725), (26027, 774625), (30985, 650675), (38275, 526745), (105349, 191375), (130135, 154925)]