11141320

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{3923}}^1$

素因数の和:4005

約数の個数: 32

約数和(自身を含む): 25427520

約数和(自身を除く): 14286200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 3923, 7846, 15692, 19615, 31384, 39230, 78460, 156920, 278533, 557066, 1114132, 1392665, 2228264, 2785330, 5570660, 11141320]

約数ペア:

[(1, 11141320), (2, 5570660), (4, 2785330), (5, 2228264), (8, 1392665), (10, 1114132), (20, 557066), (40, 278533), (71, 156920), (142, 78460), (284, 39230), (355, 31384), (568, 19615), (710, 15692), (1420, 7846), (2840, 3923)]