55206640

素因数分解:

$2^4\times 5^1\times {\mathrm{191}}^1\times {\mathrm{3613}}^1$

素因数の和:3817

約数の個数: 40

約数和(自身を含む): 129063168

約数和(自身を除く): 73856528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 191, 382, 764, 955, 1528, 1910, 3056, 3613, 3820, 7226, 7640, 14452, 15280, 18065, 28904, 36130, 57808, 72260, 144520, 289040, 690083, 1380166, 2760332, 3450415, 5520664, 6900830, 11041328, 13801660, 27603320, 55206640]

約数ペア:

[(1, 55206640), (2, 27603320), (4, 13801660), (5, 11041328), (8, 6900830), (10, 5520664), (16, 3450415), (20, 2760332), (40, 1380166), (80, 690083), (191, 289040), (382, 144520), (764, 72260), (955, 57808), (1528, 36130), (1910, 28904), (3056, 18065), (3613, 15280), (3820, 14452), (7226, 7640)]