81114200

素因数分解:

$2^3\times 5^2\times {\mathrm{431}}^1\times {\mathrm{941}}^1$

素因数の和:1388

約数の個数: 48

約数和(自身を含む): 189228960

約数和(自身を除く): 108114760

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 431, 862, 941, 1724, 1882, 2155, 3448, 3764, 4310, 4705, 7528, 8620, 9410, 10775, 17240, 18820, 21550, 23525, 37640, 43100, 47050, 86200, 94100, 188200, 405571, 811142, 1622284, 2027855, 3244568, 4055710, 8111420, 10139275, 16222840, 20278550, 40557100, 81114200]

約数ペア:

[(1, 81114200), (2, 40557100), (4, 20278550), (5, 16222840), (8, 10139275), (10, 8111420), (20, 4055710), (25, 3244568), (40, 2027855), (50, 1622284), (100, 811142), (200, 405571), (431, 188200), (862, 94100), (941, 86200), (1724, 47050), (1882, 43100), (2155, 37640), (3448, 23525), (3764, 21550), (4310, 18820), (4705, 17240), (7528, 10775), (8620, 9410)]