20688510250

素因数分解:

$2^1\times 5^3\times {\mathrm{53}}^1\times {\mathrm{73}}^2\times {\mathrm{293}}^1$

素因数の和:509

約数の個数: 96

約数和(自身を含む): 40144117104

約数和(自身を除く): 19455606854

約数列:

[1, 2, 5, 10, 25, 50, 53, 73, 106, 125, 146, 250, 265, 293, 365, 530, 586, 730, 1325, 1465, 1825, 2650, 2930, 3650, 3869, 5329, 6625, 7325, 7738, 9125, 10658, 13250, 14650, 15529, 18250, 19345, 21389, 26645, 31058, 36625, 38690, 42778, 53290, 73250, 77645, 96725, 106945, 133225, 155290, 193450, 213890, 266450, 282437, 388225, 483625, 534725, 564874, 666125, 776450, 967250, 1069450, 1133617, 1332250, 1412185, 1561397, 1941125, 2267234, 2673625, 2824370, 3122794, 3882250, 5347250, 5668085, 7060925, 7806985, 11336170, 14121850, 15613970, 28340425, 35304625, 39034925, 56680850, 70609250, 78069850, 82754041, 141702125, 165508082, 195174625, 283404250, 390349250, 413770205, 827540410, 2068851025, 4137702050, 10344255125, 20688510250]

約数ペア:

[(1, 20688510250), (2, 10344255125), (5, 4137702050), (10, 2068851025), (25, 827540410), (50, 413770205), (53, 390349250), (73, 283404250), (106, 195174625), (125, 165508082), (146, 141702125), (250, 82754041), (265, 78069850), (293, 70609250), (365, 56680850), (530, 39034925), (586, 35304625), (730, 28340425), (1325, 15613970), (1465, 14121850), (1825, 11336170), (2650, 7806985), (2930, 7060925), (3650, 5668085), (3869, 5347250), (5329, 3882250), (6625, 3122794), (7325, 2824370), (7738, 2673625), (9125, 2267234), (10658, 1941125), (13250, 1561397), (14650, 1412185), (15529, 1332250), (18250, 1133617), (19345, 1069450), (21389, 967250), (26645, 776450), (31058, 666125), (36625, 564874), (38690, 534725), (42778, 483625), (53290, 388225), (73250, 282437), (77645, 266450), (96725, 213890), (106945, 193450), (133225, 155290)]