80457053240

素因数分解:

$2^3\times 5^1\times {\mathrm{21319}}^1\times {\mathrm{94349}}^1$

素因数の和:115679

約数の個数: 32

約数和(自身を含む): 181038780000

約数和(自身を除く): 100581726760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 21319, 42638, 85276, 94349, 106595, 170552, 188698, 213190, 377396, 426380, 471745, 754792, 852760, 943490, 1886980, 3773960, 2011426331, 4022852662, 8045705324, 10057131655, 16091410648, 20114263310, 40228526620, 80457053240]

約数ペア:

[(1, 80457053240), (2, 40228526620), (4, 20114263310), (5, 16091410648), (8, 10057131655), (10, 8045705324), (20, 4022852662), (40, 2011426331), (21319, 3773960), (42638, 1886980), (85276, 943490), (94349, 852760), (106595, 754792), (170552, 471745), (188698, 426380), (213190, 377396)]