51309700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1361}}^1$

素因数の和:1417

約数の個数: 72

約数和(自身を含む): 124132680

約数和(自身を除く): 72822980

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 29, 50, 52, 58, 65, 100, 116, 130, 145, 260, 290, 325, 377, 580, 650, 725, 754, 1300, 1361, 1450, 1508, 1885, 2722, 2900, 3770, 5444, 6805, 7540, 9425, 13610, 17693, 18850, 27220, 34025, 35386, 37700, 39469, 68050, 70772, 78938, 88465, 136100, 157876, 176930, 197345, 353860, 394690, 442325, 513097, 789380, 884650, 986725, 1026194, 1769300, 1973450, 2052388, 2565485, 3946900, 5130970, 10261940, 12827425, 25654850, 51309700]

約数ペア:

[(1, 51309700), (2, 25654850), (4, 12827425), (5, 10261940), (10, 5130970), (13, 3946900), (20, 2565485), (25, 2052388), (26, 1973450), (29, 1769300), (50, 1026194), (52, 986725), (58, 884650), (65, 789380), (100, 513097), (116, 442325), (130, 394690), (145, 353860), (260, 197345), (290, 176930), (325, 157876), (377, 136100), (580, 88465), (650, 78938), (725, 70772), (754, 68050), (1300, 39469), (1361, 37700), (1450, 35386), (1508, 34025), (1885, 27220), (2722, 18850), (2900, 17693), (3770, 13610), (5444, 9425), (6805, 7540)]