64620895

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{5023}}^1$

素因数の和:5142

約数の個数: 16

約数和(自身を含む): 81027072

約数和(自身を除く): 16406177

約数列:

[1, 5, 31, 83, 155, 415, 2573, 5023, 12865, 25115, 155713, 416909, 778565, 2084545, 12924179, 64620895]

約数ペア:

[(1, 64620895), (5, 12924179), (31, 2084545), (83, 778565), (155, 416909), (415, 155713), (2573, 25115), (5023, 12865)]