98640040

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{12911}}^1$

素因数の和:13113

約数の個数: 32

約数和(自身を含む): 223119360

約数和(自身を除く): 124479320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 1528, 1910, 3820, 7640, 12911, 25822, 51644, 64555, 103288, 129110, 258220, 516440, 2466001, 4932002, 9864004, 12330005, 19728008, 24660010, 49320020, 98640040]

約数ペア:

[(1, 98640040), (2, 49320020), (4, 24660010), (5, 19728008), (8, 12330005), (10, 9864004), (20, 4932002), (40, 2466001), (191, 516440), (382, 258220), (764, 129110), (955, 103288), (1528, 64555), (1910, 51644), (3820, 25822), (7640, 12911)]