200512820

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{61507}}^1$

素因数の和:61679

約数の個数: 24

約数和(自身を含む): 423667104

約数和(自身を除く): 223154284

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 61507, 123014, 246028, 307535, 615070, 1230140, 10025641, 20051282, 40102564, 50128205, 100256410, 200512820]

約数ペア:

[(1, 200512820), (2, 100256410), (4, 50128205), (5, 40102564), (10, 20051282), (20, 10025641), (163, 1230140), (326, 615070), (652, 307535), (815, 246028), (1630, 123014), (3260, 61507)]