82516880

素因数分解:

$2^4\times 5^1\times {\mathrm{1031461}}^1$

素因数の和:1031474

約数の個数: 20

約数和(自身を含む): 191851932

約数和(自身を除く): 109335052

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1031461, 2062922, 4125844, 5157305, 8251688, 10314610, 16503376, 20629220, 41258440, 82516880]

約数ペア:

[(1, 82516880), (2, 41258440), (4, 20629220), (5, 16503376), (8, 10314610), (10, 8251688), (16, 5157305), (20, 4125844), (40, 2062922), (80, 1031461)]