31720340

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{12107}}^1$

素因数の和:12247

約数の個数: 24

約数和(自身を含む): 67126752

約数和(自身を除く): 35406412

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 12107, 24214, 48428, 60535, 121070, 242140, 1586017, 3172034, 6344068, 7930085, 15860170, 31720340]

約数ペア:

[(1, 31720340), (2, 15860170), (4, 7930085), (5, 6344068), (10, 3172034), (20, 1586017), (131, 242140), (262, 121070), (524, 60535), (655, 48428), (1310, 24214), (2620, 12107)]