71320820

素因数分解:

$2^2\times 5^1\times {\mathrm{1301}}^1\times {\mathrm{2741}}^1$

素因数の和:4051

約数の個数: 24

約数和(自身を含む): 149943528

約数和(自身を除く): 78622708

約数列:

[1, 2, 4, 5, 10, 20, 1301, 2602, 2741, 5204, 5482, 6505, 10964, 13010, 13705, 26020, 27410, 54820, 3566041, 7132082, 14264164, 17830205, 35660410, 71320820]

約数ペア:

[(1, 71320820), (2, 35660410), (4, 17830205), (5, 14264164), (10, 7132082), (20, 3566041), (1301, 54820), (2602, 27410), (2741, 26020), (5204, 13705), (5482, 13010), (6505, 10964)]