85740080

素因数分解:

$2^4\times 5^1\times {\mathrm{137}}^1\times {\mathrm{7823}}^1$

素因数の和:7973

約数の個数: 40

約数和(自身を含む): 200826432

約数和(自身を除く): 115086352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 137, 274, 548, 685, 1096, 1370, 2192, 2740, 5480, 7823, 10960, 15646, 31292, 39115, 62584, 78230, 125168, 156460, 312920, 625840, 1071751, 2143502, 4287004, 5358755, 8574008, 10717510, 17148016, 21435020, 42870040, 85740080]

約数ペア:

[(1, 85740080), (2, 42870040), (4, 21435020), (5, 17148016), (8, 10717510), (10, 8574008), (16, 5358755), (20, 4287004), (40, 2143502), (80, 1071751), (137, 625840), (274, 312920), (548, 156460), (685, 125168), (1096, 78230), (1370, 62584), (2192, 39115), (2740, 31292), (5480, 15646), (7823, 10960)]