82520920

素因数分解:

$2^3\times 5^1\times {\mathrm{571}}^1\times {\mathrm{3613}}^1$

素因数の和:4195

約数の個数: 32

約数和(自身を含む): 186048720

約数和(自身を除く): 103527800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 571, 1142, 2284, 2855, 3613, 4568, 5710, 7226, 11420, 14452, 18065, 22840, 28904, 36130, 72260, 144520, 2063023, 4126046, 8252092, 10315115, 16504184, 20630230, 41260460, 82520920]

約数ペア:

[(1, 82520920), (2, 41260460), (4, 20630230), (5, 16504184), (8, 10315115), (10, 8252092), (20, 4126046), (40, 2063023), (571, 144520), (1142, 72260), (2284, 36130), (2855, 28904), (3613, 22840), (4568, 18065), (5710, 14452), (7226, 11420)]