2018240125

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{20107}}^1$

素因数の和:20206

約数の個数: 32

約数和(自身を含む): 2785521024

約数和(自身を除く): 767280899

約数列:

[1, 5, 11, 25, 55, 73, 125, 275, 365, 803, 1375, 1825, 4015, 9125, 20075, 20107, 100375, 100535, 221177, 502675, 1105885, 1467811, 2513375, 5529425, 7339055, 16145921, 27647125, 36695275, 80729605, 183476375, 403648025, 2018240125]

約数ペア:

[(1, 2018240125), (5, 403648025), (11, 183476375), (25, 80729605), (55, 36695275), (73, 27647125), (125, 16145921), (275, 7339055), (365, 5529425), (803, 2513375), (1375, 1467811), (1825, 1105885), (4015, 502675), (9125, 221177), (20075, 100535), (20107, 100375)]