81140410

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{7013}}^1$

素因数の和:7122

約数の個数: 32

約数和(自身を含む): 159077520

約数和(自身を除く): 77937110

約数列:

[1, 2, 5, 10, 13, 26, 65, 89, 130, 178, 445, 890, 1157, 2314, 5785, 7013, 11570, 14026, 35065, 70130, 91169, 182338, 455845, 624157, 911690, 1248314, 3120785, 6241570, 8114041, 16228082, 40570205, 81140410]

約数ペア:

[(1, 81140410), (2, 40570205), (5, 16228082), (10, 8114041), (13, 6241570), (26, 3120785), (65, 1248314), (89, 911690), (130, 624157), (178, 455845), (445, 182338), (890, 91169), (1157, 70130), (2314, 35065), (5785, 14026), (7013, 11570)]