28018400

素因数分解:

$2^5\times 5^2\times {\mathrm{35023}}^1$

素因数の和:35043

約数の個数: 36

約数和(自身を含む): 68401872

約数和(自身を除く): 40383472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 35023, 70046, 140092, 175115, 280184, 350230, 560368, 700460, 875575, 1120736, 1400920, 1751150, 2801840, 3502300, 5603680, 7004600, 14009200, 28018400]

約数ペア:

[(1, 28018400), (2, 14009200), (4, 7004600), (5, 5603680), (8, 3502300), (10, 2801840), (16, 1751150), (20, 1400920), (25, 1120736), (32, 875575), (40, 700460), (50, 560368), (80, 350230), (100, 280184), (160, 175115), (200, 140092), (400, 70046), (800, 35023)]