1640879995

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{1249}}^1\times {\mathrm{13829}}^1$

素因数の和:15102

約数の個数: 16

約数和(自身を含む): 2074500000

約数和(自身を除く): 433620005

約数列:

[1, 5, 19, 95, 1249, 6245, 13829, 23731, 69145, 118655, 262751, 1313755, 17272421, 86362105, 328175999, 1640879995]

約数ペア:

[(1, 1640879995), (5, 328175999), (19, 86362105), (95, 17272421), (1249, 1313755), (6245, 262751), (13829, 118655), (23731, 69145)]