20112668500

素因数分解:

$2^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{283}}^1\times {\mathrm{7481}}^1$

素因数の和:7802

約数の個数: 96

約数和(自身を含む): 46407553920

約数和(自身を除く): 26294885420

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 125, 190, 250, 283, 380, 475, 500, 566, 950, 1132, 1415, 1900, 2375, 2830, 4750, 5377, 5660, 7075, 7481, 9500, 10754, 14150, 14962, 21508, 26885, 28300, 29924, 35375, 37405, 53770, 70750, 74810, 107540, 134425, 141500, 142139, 149620, 187025, 268850, 284278, 374050, 537700, 568556, 672125, 710695, 748100, 935125, 1344250, 1421390, 1870250, 2117123, 2688500, 2842780, 3553475, 3740500, 4234246, 7106950, 8468492, 10585615, 14213900, 17767375, 21171230, 35534750, 40225337, 42342460, 52928075, 71069500, 80450674, 105856150, 160901348, 201126685, 211712300, 264640375, 402253370, 529280750, 804506740, 1005633425, 1058561500, 2011266850, 4022533700, 5028167125, 10056334250, 20112668500]

約数ペア:

[(1, 20112668500), (2, 10056334250), (4, 5028167125), (5, 4022533700), (10, 2011266850), (19, 1058561500), (20, 1005633425), (25, 804506740), (38, 529280750), (50, 402253370), (76, 264640375), (95, 211712300), (100, 201126685), (125, 160901348), (190, 105856150), (250, 80450674), (283, 71069500), (380, 52928075), (475, 42342460), (500, 40225337), (566, 35534750), (950, 21171230), (1132, 17767375), (1415, 14213900), (1900, 10585615), (2375, 8468492), (2830, 7106950), (4750, 4234246), (5377, 3740500), (5660, 3553475), (7075, 2842780), (7481, 2688500), (9500, 2117123), (10754, 1870250), (14150, 1421390), (14962, 1344250), (21508, 935125), (26885, 748100), (28300, 710695), (29924, 672125), (35375, 568556), (37405, 537700), (53770, 374050), (70750, 284278), (74810, 268850), (107540, 187025), (134425, 149620), (141500, 142139)]