90140690

素因数分解:

$2^1\times 5^1\times {\mathrm{2027}}^1\times {\mathrm{4447}}^1$

素因数の和:6481

約数の個数: 16

約数和(自身を含む): 162369792

約数和(自身を除く): 72229102

約数列:

[1, 2, 5, 10, 2027, 4054, 4447, 8894, 10135, 20270, 22235, 44470, 9014069, 18028138, 45070345, 90140690]

約数ペア:

[(1, 90140690), (2, 45070345), (5, 18028138), (10, 9014069), (2027, 44470), (4054, 22235), (4447, 20270), (8894, 10135)]