28152500

素因数分解:

$2^2\times 5^4\times {\mathrm{11261}}^1$

素因数の和:11285

約数の個数: 30

約数和(自身を含む): 61569354

約数和(自身を除く): 33416854

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 625, 1250, 2500, 11261, 22522, 45044, 56305, 112610, 225220, 281525, 563050, 1126100, 1407625, 2815250, 5630500, 7038125, 14076250, 28152500]

約数ペア:

[(1, 28152500), (2, 14076250), (4, 7038125), (5, 5630500), (10, 2815250), (20, 1407625), (25, 1126100), (50, 563050), (100, 281525), (125, 225220), (250, 112610), (500, 56305), (625, 45044), (1250, 22522), (2500, 11261)]