14090000

素因数分解:

$2^4\times 5^4\times {\mathrm{1409}}^1$

素因数の和:1437

約数の個数: 50

約数和(自身を含む): 34137510

約数和(自身を除く): 20047510

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 625, 1000, 1250, 1409, 2000, 2500, 2818, 5000, 5636, 7045, 10000, 11272, 14090, 22544, 28180, 35225, 56360, 70450, 112720, 140900, 176125, 281800, 352250, 563600, 704500, 880625, 1409000, 1761250, 2818000, 3522500, 7045000, 14090000]

約数ペア:

[(1, 14090000), (2, 7045000), (4, 3522500), (5, 2818000), (8, 1761250), (10, 1409000), (16, 880625), (20, 704500), (25, 563600), (40, 352250), (50, 281800), (80, 176125), (100, 140900), (125, 112720), (200, 70450), (250, 56360), (400, 35225), (500, 28180), (625, 22544), (1000, 14090), (1250, 11272), (1409, 10000), (2000, 7045), (2500, 5636), (2818, 5000)]