10891490

素因数分解:

$2^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{4019}}^1$

素因数の和:4297

約数の個数: 16

約数和(自身を含む): 19681920

約数和(自身を除く): 8790430

約数列:

[1, 2, 5, 10, 271, 542, 1355, 2710, 4019, 8038, 20095, 40190, 1089149, 2178298, 5445745, 10891490]

約数ペア:

[(1, 10891490), (2, 5445745), (5, 2178298), (10, 1089149), (271, 40190), (542, 20095), (1355, 8038), (2710, 4019)]