71389040

素因数分解:

$2^4\times 5^1\times {\mathrm{313}}^1\times {\mathrm{2851}}^1$

素因数の和:3177

約数の個数: 40

約数和(自身を含む): 166568208

約数和(自身を除く): 95179168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 313, 626, 1252, 1565, 2504, 2851, 3130, 5008, 5702, 6260, 11404, 12520, 14255, 22808, 25040, 28510, 45616, 57020, 114040, 228080, 892363, 1784726, 3569452, 4461815, 7138904, 8923630, 14277808, 17847260, 35694520, 71389040]

約数ペア:

[(1, 71389040), (2, 35694520), (4, 17847260), (5, 14277808), (8, 8923630), (10, 7138904), (16, 4461815), (20, 3569452), (40, 1784726), (80, 892363), (313, 228080), (626, 114040), (1252, 57020), (1565, 45616), (2504, 28510), (2851, 25040), (3130, 22808), (5008, 14255), (5702, 12520), (6260, 11404)]