20184877700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{98897}}^1$

素因数の和:99081

約数の個数: 72

約数和(自身を含む): 47471435592

約数和(自身を除く): 27286557892

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 157, 260, 314, 325, 628, 650, 785, 1300, 1570, 2041, 3140, 3925, 4082, 7850, 8164, 10205, 15700, 20410, 40820, 51025, 98897, 102050, 197794, 204100, 395588, 494485, 988970, 1285661, 1977940, 2472425, 2571322, 4944850, 5142644, 6428305, 9889700, 12856610, 15526829, 25713220, 31053658, 32141525, 62107316, 64283050, 77634145, 128566100, 155268290, 201848777, 310536580, 388170725, 403697554, 776341450, 807395108, 1009243885, 1552682900, 2018487770, 4036975540, 5046219425, 10092438850, 20184877700]

約数ペア:

[(1, 20184877700), (2, 10092438850), (4, 5046219425), (5, 4036975540), (10, 2018487770), (13, 1552682900), (20, 1009243885), (25, 807395108), (26, 776341450), (50, 403697554), (52, 388170725), (65, 310536580), (100, 201848777), (130, 155268290), (157, 128566100), (260, 77634145), (314, 64283050), (325, 62107316), (628, 32141525), (650, 31053658), (785, 25713220), (1300, 15526829), (1570, 12856610), (2041, 9889700), (3140, 6428305), (3925, 5142644), (4082, 4944850), (7850, 2571322), (8164, 2472425), (10205, 1977940), (15700, 1285661), (20410, 988970), (40820, 494485), (51025, 395588), (98897, 204100), (102050, 197794)]