55726480

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{9811}}^1$

素因数の和:9895

約数の個数: 40

約数和(自身を含む): 131402304

約数和(自身を除く): 75675824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 9811, 19622, 39244, 49055, 78488, 98110, 156976, 196220, 392440, 696581, 784880, 1393162, 2786324, 3482905, 5572648, 6965810, 11145296, 13931620, 27863240, 55726480]

約数ペア:

[(1, 55726480), (2, 27863240), (4, 13931620), (5, 11145296), (8, 6965810), (10, 5572648), (16, 3482905), (20, 2786324), (40, 1393162), (71, 784880), (80, 696581), (142, 392440), (284, 196220), (355, 156976), (568, 98110), (710, 78488), (1136, 49055), (1420, 39244), (2840, 19622), (5680, 9811)]