66754220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{13513}}^1$

素因数の和:13554

約数の個数: 48

約数和(自身を含む): 158924640

約数和(自身を除く): 92170420

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 13513, 27026, 54052, 67565, 135130, 175669, 256747, 270260, 351338, 513494, 702676, 878345, 1026988, 1283735, 1756690, 2567470, 3337711, 3513380, 5134940, 6675422, 13350844, 16688555, 33377110, 66754220]

約数ペア:

[(1, 66754220), (2, 33377110), (4, 16688555), (5, 13350844), (10, 6675422), (13, 5134940), (19, 3513380), (20, 3337711), (26, 2567470), (38, 1756690), (52, 1283735), (65, 1026988), (76, 878345), (95, 702676), (130, 513494), (190, 351338), (247, 270260), (260, 256747), (380, 175669), (494, 135130), (988, 67565), (1235, 54052), (2470, 27026), (4940, 13513)]