13002800

素因数分解:

$2^4\times 5^2\times {\mathrm{32507}}^1$

素因数の和:32525

約数の個数: 30

約数和(自身を含む): 31240188

約数和(自身を除く): 18237388

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 32507, 65014, 130028, 162535, 260056, 325070, 520112, 650140, 812675, 1300280, 1625350, 2600560, 3250700, 6501400, 13002800]

約数ペア:

[(1, 13002800), (2, 6501400), (4, 3250700), (5, 2600560), (8, 1625350), (10, 1300280), (16, 812675), (20, 650140), (25, 520112), (40, 325070), (50, 260056), (80, 162535), (100, 130028), (200, 65014), (400, 32507)]