20261000

素因数分解:

$2^3\times 5^3\times {\mathrm{20261}}^1$

素因数の和:20282

約数の個数: 32

約数和(自身を含む): 47413080

約数和(自身を除く): 27152080

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000, 20261, 40522, 81044, 101305, 162088, 202610, 405220, 506525, 810440, 1013050, 2026100, 2532625, 4052200, 5065250, 10130500, 20261000]

約数ペア:

[(1, 20261000), (2, 10130500), (4, 5065250), (5, 4052200), (8, 2532625), (10, 2026100), (20, 1013050), (25, 810440), (40, 506525), (50, 405220), (100, 202610), (125, 162088), (200, 101305), (250, 81044), (500, 40522), (1000, 20261)]