83670040

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{647}}^1$

素因数の和:772

約数の個数: 64

約数和(自身を含む): 195255360

約数和(自身を除く): 111585320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 61, 106, 122, 212, 244, 265, 305, 424, 488, 530, 610, 647, 1060, 1220, 1294, 2120, 2440, 2588, 3233, 3235, 5176, 6466, 6470, 12932, 12940, 16165, 25864, 25880, 32330, 34291, 39467, 64660, 68582, 78934, 129320, 137164, 157868, 171455, 197335, 274328, 315736, 342910, 394670, 685820, 789340, 1371640, 1578680, 2091751, 4183502, 8367004, 10458755, 16734008, 20917510, 41835020, 83670040]

約数ペア:

[(1, 83670040), (2, 41835020), (4, 20917510), (5, 16734008), (8, 10458755), (10, 8367004), (20, 4183502), (40, 2091751), (53, 1578680), (61, 1371640), (106, 789340), (122, 685820), (212, 394670), (244, 342910), (265, 315736), (305, 274328), (424, 197335), (488, 171455), (530, 157868), (610, 137164), (647, 129320), (1060, 78934), (1220, 68582), (1294, 64660), (2120, 39467), (2440, 34291), (2588, 32330), (3233, 25880), (3235, 25864), (5176, 16165), (6466, 12940), (6470, 12932)]