1967888920

素因数分解:

$2^3\times 5^1\times {\mathrm{1171}}^1\times {\mathrm{42013}}^1$

素因数の和:43195

約数の個数: 32

約数和(自身を含む): 4431636720

約数和(自身を除く): 2463747800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1171, 2342, 4684, 5855, 9368, 11710, 23420, 42013, 46840, 84026, 168052, 210065, 336104, 420130, 840260, 1680520, 49197223, 98394446, 196788892, 245986115, 393577784, 491972230, 983944460, 1967888920]

約数ペア:

[(1, 1967888920), (2, 983944460), (4, 491972230), (5, 393577784), (8, 245986115), (10, 196788892), (20, 98394446), (40, 49197223), (1171, 1680520), (2342, 840260), (4684, 420130), (5855, 336104), (9368, 210065), (11710, 168052), (23420, 84026), (42013, 46840)]