101738680

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{12911}}^1$

素因数の和:13119

約数の個数: 32

約数和(自身を含む): 230091840

約数和(自身を除く): 128353160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3940, 7880, 12911, 25822, 51644, 64555, 103288, 129110, 258220, 516440, 2543467, 5086934, 10173868, 12717335, 20347736, 25434670, 50869340, 101738680]

約数ペア:

[(1, 101738680), (2, 50869340), (4, 25434670), (5, 20347736), (8, 12717335), (10, 10173868), (20, 5086934), (40, 2543467), (197, 516440), (394, 258220), (788, 129110), (985, 103288), (1576, 64555), (1970, 51644), (3940, 25822), (7880, 12911)]