9847960

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{1289}}^1$

素因数の和:1491

約数の個数: 32

約数和(自身を含む): 22291200

約数和(自身を除く): 12443240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 1289, 1528, 1910, 2578, 3820, 5156, 6445, 7640, 10312, 12890, 25780, 51560, 246199, 492398, 984796, 1230995, 1969592, 2461990, 4923980, 9847960]

約数ペア:

[(1, 9847960), (2, 4923980), (4, 2461990), (5, 1969592), (8, 1230995), (10, 984796), (20, 492398), (40, 246199), (191, 51560), (382, 25780), (764, 12890), (955, 10312), (1289, 7640), (1528, 6445), (1910, 5156), (2578, 3820)]