81973580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{3061}}^1$

素因数の和:3186

約数の個数: 48

約数和(自身を含む): 187247424

約数和(自身を除く): 105273844

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 103, 130, 206, 260, 412, 515, 1030, 1339, 2060, 2678, 3061, 5356, 6122, 6695, 12244, 13390, 15305, 26780, 30610, 39793, 61220, 79586, 159172, 198965, 315283, 397930, 630566, 795860, 1261132, 1576415, 3152830, 4098679, 6305660, 8197358, 16394716, 20493395, 40986790, 81973580]

約数ペア:

[(1, 81973580), (2, 40986790), (4, 20493395), (5, 16394716), (10, 8197358), (13, 6305660), (20, 4098679), (26, 3152830), (52, 1576415), (65, 1261132), (103, 795860), (130, 630566), (206, 397930), (260, 315283), (412, 198965), (515, 159172), (1030, 79586), (1339, 61220), (2060, 39793), (2678, 30610), (3061, 26780), (5356, 15305), (6122, 13390), (6695, 12244)]