53490040

素因数分解:

$2^3\times 5^1\times {\mathrm{673}}^1\times {\mathrm{1987}}^1$

素因数の和:2671

約数の個数: 32

約数和(自身を含む): 120592080

約数和(自身を除く): 67102040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 673, 1346, 1987, 2692, 3365, 3974, 5384, 6730, 7948, 9935, 13460, 15896, 19870, 26920, 39740, 79480, 1337251, 2674502, 5349004, 6686255, 10698008, 13372510, 26745020, 53490040]

約数ペア:

[(1, 53490040), (2, 26745020), (4, 13372510), (5, 10698008), (8, 6686255), (10, 5349004), (20, 2674502), (40, 1337251), (673, 79480), (1346, 39740), (1987, 26920), (2692, 19870), (3365, 15896), (3974, 13460), (5384, 9935), (6730, 7948)]