892720

素因数分解:

$2^4\times 5^1\times {\mathrm{11159}}^1$

素因数の和:11172

約数の個数: 20

約数和(自身を含む): 2075760

約数和(自身を除く): 1183040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 11159, 22318, 44636, 55795, 89272, 111590, 178544, 223180, 446360, 892720]

約数ペア:

[(1, 892720), (2, 446360), (4, 223180), (5, 178544), (8, 111590), (10, 89272), (16, 55795), (20, 44636), (40, 22318), (80, 11159)]