2470290040

素因数分解:

$2^3\times 5^1\times {\mathrm{389}}^1\times {\mathrm{158759}}^1$

素因数の和:159159

約数の個数: 32

約数和(自身を含む): 5572476000

約数和(自身を除く): 3102185960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 389, 778, 1556, 1945, 3112, 3890, 7780, 15560, 158759, 317518, 635036, 793795, 1270072, 1587590, 3175180, 6350360, 61757251, 123514502, 247029004, 308786255, 494058008, 617572510, 1235145020, 2470290040]

約数ペア:

[(1, 2470290040), (2, 1235145020), (4, 617572510), (5, 494058008), (8, 308786255), (10, 247029004), (20, 123514502), (40, 61757251), (389, 6350360), (778, 3175180), (1556, 1587590), (1945, 1270072), (3112, 793795), (3890, 635036), (7780, 317518), (15560, 158759)]