7285431280

素因数分解:

$2^4\times 5^1\times {\mathrm{1931}}^1\times {\mathrm{47161}}^1$

素因数の和:49105

約数の個数: 40

約数和(自身を含む): 16947759024

約数和(自身を除く): 9662327744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1931, 3862, 7724, 9655, 15448, 19310, 30896, 38620, 47161, 77240, 94322, 154480, 188644, 235805, 377288, 471610, 754576, 943220, 1886440, 3772880, 91067891, 182135782, 364271564, 455339455, 728543128, 910678910, 1457086256, 1821357820, 3642715640, 7285431280]

約数ペア:

[(1, 7285431280), (2, 3642715640), (4, 1821357820), (5, 1457086256), (8, 910678910), (10, 728543128), (16, 455339455), (20, 364271564), (40, 182135782), (80, 91067891), (1931, 3772880), (3862, 1886440), (7724, 943220), (9655, 754576), (15448, 471610), (19310, 377288), (30896, 235805), (38620, 188644), (47161, 154480), (77240, 94322)]