843760

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{199}}^1$

素因数の和:265

約数の個数: 40

約数和(自身を含む): 2008800

約数和(自身を除く): 1165040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 199, 212, 265, 398, 424, 530, 796, 848, 995, 1060, 1592, 1990, 2120, 3184, 3980, 4240, 7960, 10547, 15920, 21094, 42188, 52735, 84376, 105470, 168752, 210940, 421880, 843760]

約数ペア:

[(1, 843760), (2, 421880), (4, 210940), (5, 168752), (8, 105470), (10, 84376), (16, 52735), (20, 42188), (40, 21094), (53, 15920), (80, 10547), (106, 7960), (199, 4240), (212, 3980), (265, 3184), (398, 2120), (424, 1990), (530, 1592), (796, 1060), (848, 995)]