385131018320

素因数分解:

$2^4\times 5^1\times {\mathrm{2411}}^1\times {\mathrm{1996739}}^1$

素因数の和:1999163

約数の個数: 40

約数和(自身を含む): 895801459680

約数和(自身を除く): 510670441360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2411, 4822, 9644, 12055, 19288, 24110, 38576, 48220, 96440, 192880, 1996739, 3993478, 7986956, 9983695, 15973912, 19967390, 31947824, 39934780, 79869560, 159739120, 4814137729, 9628275458, 19256550916, 24070688645, 38513101832, 48141377290, 77026203664, 96282754580, 192565509160, 385131018320]

約数ペア:

[(1, 385131018320), (2, 192565509160), (4, 96282754580), (5, 77026203664), (8, 48141377290), (10, 38513101832), (16, 24070688645), (20, 19256550916), (40, 9628275458), (80, 4814137729), (2411, 159739120), (4822, 79869560), (9644, 39934780), (12055, 31947824), (19288, 19967390), (24110, 15973912), (38576, 9983695), (48220, 7986956), (96440, 3993478), (192880, 1996739)]