1911320

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{673}}^1$

素因数の和:755

約数の個数: 32

約数和(自身を含む): 4367520

約数和(自身を除く): 2456200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 673, 710, 1346, 1420, 2692, 2840, 3365, 5384, 6730, 13460, 26920, 47783, 95566, 191132, 238915, 382264, 477830, 955660, 1911320]

約数ペア:

[(1, 1911320), (2, 955660), (4, 477830), (5, 382264), (8, 238915), (10, 191132), (20, 95566), (40, 47783), (71, 26920), (142, 13460), (284, 6730), (355, 5384), (568, 3365), (673, 2840), (710, 2692), (1346, 1420)]