201901580

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{61933}}^1$

素因数の和:62105

約数の個数: 24

約数和(自身を含む): 426601392

約数和(自身を除く): 224699812

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 61933, 123866, 247732, 309665, 619330, 1238660, 10095079, 20190158, 40380316, 50475395, 100950790, 201901580]

約数ペア:

[(1, 201901580), (2, 100950790), (4, 50475395), (5, 40380316), (10, 20190158), (20, 10095079), (163, 1238660), (326, 619330), (652, 309665), (815, 247732), (1630, 123866), (3260, 61933)]