78674440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7963}}^1$

素因数の和:8006

約数の個数: 64

約数和(自身を含む): 200692800

約数和(自身を除く): 122018360

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1976, 2470, 4940, 7963, 9880, 15926, 31852, 39815, 63704, 79630, 103519, 151297, 159260, 207038, 302594, 318520, 414076, 517595, 605188, 756485, 828152, 1035190, 1210376, 1512970, 1966861, 2070380, 3025940, 3933722, 4140760, 6051880, 7867444, 9834305, 15734888, 19668610, 39337220, 78674440]

約数ペア:

[(1, 78674440), (2, 39337220), (4, 19668610), (5, 15734888), (8, 9834305), (10, 7867444), (13, 6051880), (19, 4140760), (20, 3933722), (26, 3025940), (38, 2070380), (40, 1966861), (52, 1512970), (65, 1210376), (76, 1035190), (95, 828152), (104, 756485), (130, 605188), (152, 517595), (190, 414076), (247, 318520), (260, 302594), (380, 207038), (494, 159260), (520, 151297), (760, 103519), (988, 79630), (1235, 63704), (1976, 39815), (2470, 31852), (4940, 15926), (7963, 9880)]