28009750

素因数分解:

$2^1\times 5^3\times {\mathrm{181}}^1\times {\mathrm{619}}^1$

素因数の和:817

約数の個数: 32

約数和(自身を含む): 52809120

約数和(自身を除く): 24799370

約数列:

[1, 2, 5, 10, 25, 50, 125, 181, 250, 362, 619, 905, 1238, 1810, 3095, 4525, 6190, 9050, 15475, 22625, 30950, 45250, 77375, 112039, 154750, 224078, 560195, 1120390, 2800975, 5601950, 14004875, 28009750]

約数ペア:

[(1, 28009750), (2, 14004875), (5, 5601950), (10, 2800975), (25, 1120390), (50, 560195), (125, 224078), (181, 154750), (250, 112039), (362, 77375), (619, 45250), (905, 30950), (1238, 22625), (1810, 15475), (3095, 9050), (4525, 6190)]