7431280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4889}}^1$

素因数の和:4921

約数の個数: 40

約数和(自身を含む): 18190800

約数和(自身を除く): 10759520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 4889, 9778, 19556, 24445, 39112, 48890, 78224, 92891, 97780, 185782, 195560, 371564, 391120, 464455, 743128, 928910, 1486256, 1857820, 3715640, 7431280]

約数ペア:

[(1, 7431280), (2, 3715640), (4, 1857820), (5, 1486256), (8, 928910), (10, 743128), (16, 464455), (19, 391120), (20, 371564), (38, 195560), (40, 185782), (76, 97780), (80, 92891), (95, 78224), (152, 48890), (190, 39112), (304, 24445), (380, 19556), (760, 9778), (1520, 4889)]