1904120

素因数分解:

$2^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{263}}^1$

素因数の和:455

約数の個数: 32

約数和(自身を含む): 4324320

約数和(自身を除く): 2420200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 181, 263, 362, 526, 724, 905, 1052, 1315, 1448, 1810, 2104, 2630, 3620, 5260, 7240, 10520, 47603, 95206, 190412, 238015, 380824, 476030, 952060, 1904120]

約数ペア:

[(1, 1904120), (2, 952060), (4, 476030), (5, 380824), (8, 238015), (10, 190412), (20, 95206), (40, 47603), (181, 10520), (263, 7240), (362, 5260), (526, 3620), (724, 2630), (905, 2104), (1052, 1810), (1315, 1448)]