13865780

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{701}}^1$

素因数の和:776

約数の個数: 48

約数和(自身を含む): 31135104

約数和(自身を除く): 17269324

約数列:

[1, 2, 4, 5, 10, 20, 23, 43, 46, 86, 92, 115, 172, 215, 230, 430, 460, 701, 860, 989, 1402, 1978, 2804, 3505, 3956, 4945, 7010, 9890, 14020, 16123, 19780, 30143, 32246, 60286, 64492, 80615, 120572, 150715, 161230, 301430, 322460, 602860, 693289, 1386578, 2773156, 3466445, 6932890, 13865780]

約数ペア:

[(1, 13865780), (2, 6932890), (4, 3466445), (5, 2773156), (10, 1386578), (20, 693289), (23, 602860), (43, 322460), (46, 301430), (86, 161230), (92, 150715), (115, 120572), (172, 80615), (215, 64492), (230, 60286), (430, 32246), (460, 30143), (701, 19780), (860, 16123), (989, 14020), (1402, 9890), (1978, 7010), (2804, 4945), (3505, 3956)]