71129840

素因数分解:

$2^4\times 5^1\times {\mathrm{889123}}^1$

素因数の和:889136

約数の個数: 20

約数和(自身を含む): 165377064

約数和(自身を除く): 94247224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 889123, 1778246, 3556492, 4445615, 7112984, 8891230, 14225968, 17782460, 35564920, 71129840]

約数ペア:

[(1, 71129840), (2, 35564920), (4, 17782460), (5, 14225968), (8, 8891230), (10, 7112984), (16, 4445615), (20, 3556492), (40, 1778246), (80, 889123)]