201161890

素因数分解:

$2^1\times 5^1\times {\mathrm{509}}^1\times {\mathrm{39521}}^1$

素因数の和:40037

約数の個数: 16

約数和(自身を含む): 362811960

約数和(自身を除く): 161650070

約数列:

[1, 2, 5, 10, 509, 1018, 2545, 5090, 39521, 79042, 197605, 395210, 20116189, 40232378, 100580945, 201161890]

約数ペア:

[(1, 201161890), (2, 100580945), (5, 40232378), (10, 20116189), (509, 395210), (1018, 197605), (2545, 79042), (5090, 39521)]