23459980

素因数分解:

$2^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{2389}}^1$

素因数の和:2889

約数の個数: 24

約数和(自身を含む): 49386960

約数和(自身を除く): 25926980

約数列:

[1, 2, 4, 5, 10, 20, 491, 982, 1964, 2389, 2455, 4778, 4910, 9556, 9820, 11945, 23890, 47780, 1172999, 2345998, 4691996, 5864995, 11729990, 23459980]

約数ペア:

[(1, 23459980), (2, 11729990), (4, 5864995), (5, 4691996), (10, 2345998), (20, 1172999), (491, 47780), (982, 23890), (1964, 11945), (2389, 9820), (2455, 9556), (4778, 4910)]