71026280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{997}}^1$

素因数の和:1158

約数の個数: 64

約数和(自身を含む): 173532240

約数和(自身を除く): 102505960

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 137, 260, 274, 520, 548, 685, 997, 1096, 1370, 1781, 1994, 2740, 3562, 3988, 4985, 5480, 7124, 7976, 8905, 9970, 12961, 14248, 17810, 19940, 25922, 35620, 39880, 51844, 64805, 71240, 103688, 129610, 136589, 259220, 273178, 518440, 546356, 682945, 1092712, 1365890, 1775657, 2731780, 3551314, 5463560, 7102628, 8878285, 14205256, 17756570, 35513140, 71026280]

約数ペア:

[(1, 71026280), (2, 35513140), (4, 17756570), (5, 14205256), (8, 8878285), (10, 7102628), (13, 5463560), (20, 3551314), (26, 2731780), (40, 1775657), (52, 1365890), (65, 1092712), (104, 682945), (130, 546356), (137, 518440), (260, 273178), (274, 259220), (520, 136589), (548, 129610), (685, 103688), (997, 71240), (1096, 64805), (1370, 51844), (1781, 39880), (1994, 35620), (2740, 25922), (3562, 19940), (3988, 17810), (4985, 14248), (5480, 12961), (7124, 9970), (7976, 8905)]