42805040

素因数分解:

$2^4\times 5^1\times {\mathrm{419}}^1\times {\mathrm{1277}}^1$

素因数の和:1709

約数の個数: 40

約数和(自身を含む): 99837360

約数和(自身を除く): 57032320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 419, 838, 1277, 1676, 2095, 2554, 3352, 4190, 5108, 6385, 6704, 8380, 10216, 12770, 16760, 20432, 25540, 33520, 51080, 102160, 535063, 1070126, 2140252, 2675315, 4280504, 5350630, 8561008, 10701260, 21402520, 42805040]

約数ペア:

[(1, 42805040), (2, 21402520), (4, 10701260), (5, 8561008), (8, 5350630), (10, 4280504), (16, 2675315), (20, 2140252), (40, 1070126), (80, 535063), (419, 102160), (838, 51080), (1277, 33520), (1676, 25540), (2095, 20432), (2554, 16760), (3352, 12770), (4190, 10216), (5108, 8380), (6385, 6704)]