12976400

素因数分解:

$2^4\times 5^2\times {\mathrm{32441}}^1$

素因数の和:32459

約数の個数: 30

約数和(自身を含む): 31176762

約数和(自身を除く): 18200362

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 32441, 64882, 129764, 162205, 259528, 324410, 519056, 648820, 811025, 1297640, 1622050, 2595280, 3244100, 6488200, 12976400]

約数ペア:

[(1, 12976400), (2, 6488200), (4, 3244100), (5, 2595280), (8, 1622050), (10, 1297640), (16, 811025), (20, 648820), (25, 519056), (40, 324410), (50, 259528), (80, 162205), (100, 129764), (200, 64882), (400, 32441)]