12980330

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{599}}^1$

素因数の和:814

約数の個数: 32

約数和(自身を含む): 25660800

約数和(自身を除く): 12680470

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 197, 394, 599, 985, 1198, 1970, 2167, 2995, 4334, 5990, 6589, 10835, 13178, 21670, 32945, 65890, 118003, 236006, 590015, 1180030, 1298033, 2596066, 6490165, 12980330]

約数ペア:

[(1, 12980330), (2, 6490165), (5, 2596066), (10, 1298033), (11, 1180030), (22, 590015), (55, 236006), (110, 118003), (197, 65890), (394, 32945), (599, 21670), (985, 13178), (1198, 10835), (1970, 6589), (2167, 5990), (2995, 4334)]