7218320

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{3923}}^1$

素因数の和:3959

約数の個数: 40

約数和(自身を含む): 17516736

約数和(自身を除く): 10298416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 3923, 7846, 15692, 19615, 31384, 39230, 62768, 78460, 90229, 156920, 180458, 313840, 360916, 451145, 721832, 902290, 1443664, 1804580, 3609160, 7218320]

約数ペア:

[(1, 7218320), (2, 3609160), (4, 1804580), (5, 1443664), (8, 902290), (10, 721832), (16, 451145), (20, 360916), (23, 313840), (40, 180458), (46, 156920), (80, 90229), (92, 78460), (115, 62768), (184, 39230), (230, 31384), (368, 19615), (460, 15692), (920, 7846), (1840, 3923)]