201901640

素因数分解:

$2^3\times 5^1\times {\mathrm{1321}}^1\times {\mathrm{3821}}^1$

素因数の和:5153

約数の個数: 32

約数和(自身を含む): 454741560

約数和(自身を除く): 252839920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1321, 2642, 3821, 5284, 6605, 7642, 10568, 13210, 15284, 19105, 26420, 30568, 38210, 52840, 76420, 152840, 5047541, 10095082, 20190164, 25237705, 40380328, 50475410, 100950820, 201901640]

約数ペア:

[(1, 201901640), (2, 100950820), (4, 50475410), (5, 40380328), (8, 25237705), (10, 20190164), (20, 10095082), (40, 5047541), (1321, 152840), (2642, 76420), (3821, 52840), (5284, 38210), (6605, 30568), (7642, 26420), (10568, 19105), (13210, 15284)]