65773670

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{263}}^1\times {\mathrm{281}}^1$

素因数の和:640

約数の個数: 32

約数和(自身を含む): 120605760

約数和(自身を除く): 54832090

約数列:

[1, 2, 5, 10, 89, 178, 263, 281, 445, 526, 562, 890, 1315, 1405, 2630, 2810, 23407, 25009, 46814, 50018, 73903, 117035, 125045, 147806, 234070, 250090, 369515, 739030, 6577367, 13154734, 32886835, 65773670]

約数ペア:

[(1, 65773670), (2, 32886835), (5, 13154734), (10, 6577367), (89, 739030), (178, 369515), (263, 250090), (281, 234070), (445, 147806), (526, 125045), (562, 117035), (890, 73903), (1315, 50018), (1405, 46814), (2630, 25009), (2810, 23407)]