20171747600

素因数分解:

$2^4\times 5^2\times {\mathrm{2243}}^1\times {\mathrm{22483}}^1$

素因数の和:24744

約数の個数: 60

約数和(自身を含む): 48486386256

約数和(自身を除く): 28314638656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 2243, 4486, 8972, 11215, 17944, 22430, 22483, 35888, 44860, 44966, 56075, 89720, 89932, 112150, 112415, 179440, 179864, 224300, 224830, 359728, 448600, 449660, 562075, 897200, 899320, 1124150, 1798640, 2248300, 4496600, 8993200, 50429369, 100858738, 201717476, 252146845, 403434952, 504293690, 806869904, 1008587380, 1260734225, 2017174760, 2521468450, 4034349520, 5042936900, 10085873800, 20171747600]

約数ペア:

[(1, 20171747600), (2, 10085873800), (4, 5042936900), (5, 4034349520), (8, 2521468450), (10, 2017174760), (16, 1260734225), (20, 1008587380), (25, 806869904), (40, 504293690), (50, 403434952), (80, 252146845), (100, 201717476), (200, 100858738), (400, 50429369), (2243, 8993200), (4486, 4496600), (8972, 2248300), (11215, 1798640), (17944, 1124150), (22430, 899320), (22483, 897200), (35888, 562075), (44860, 449660), (44966, 448600), (56075, 359728), (89720, 224830), (89932, 224300), (112150, 179864), (112415, 179440)]