25553890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{787}}^1$

素因数の和:1002

約数の個数: 32

約数和(自身を含む): 49019904

約数和(自身を除く): 23466014

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 191, 382, 787, 955, 1574, 1910, 3247, 3935, 6494, 7870, 13379, 16235, 26758, 32470, 66895, 133790, 150317, 300634, 751585, 1503170, 2555389, 5110778, 12776945, 25553890]

約数ペア:

[(1, 25553890), (2, 12776945), (5, 5110778), (10, 2555389), (17, 1503170), (34, 751585), (85, 300634), (170, 150317), (191, 133790), (382, 66895), (787, 32470), (955, 26758), (1574, 16235), (1910, 13379), (3247, 7870), (3935, 6494)]