2015471240

素因数分解:

$2^3\times 5^1\times {\mathrm{389}}^1\times {\mathrm{129529}}^1$

素因数の和:129929

約数の個数: 32

約数和(自身を含む): 4546503000

約数和(自身を除く): 2531031760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 389, 778, 1556, 1945, 3112, 3890, 7780, 15560, 129529, 259058, 518116, 647645, 1036232, 1295290, 2590580, 5181160, 50386781, 100773562, 201547124, 251933905, 403094248, 503867810, 1007735620, 2015471240]

約数ペア:

[(1, 2015471240), (2, 1007735620), (4, 503867810), (5, 403094248), (8, 251933905), (10, 201547124), (20, 100773562), (40, 50386781), (389, 5181160), (778, 2590580), (1556, 1295290), (1945, 1036232), (3112, 647645), (3890, 518116), (7780, 259058), (15560, 129529)]