39509770

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1\times {\mathrm{431}}^1$

素因数の和:630

約数の個数: 32

約数和(自身を含む): 72783360

約数和(自身を除く): 33273590

約数列:

[1, 2, 5, 10, 89, 103, 178, 206, 431, 445, 515, 862, 890, 1030, 2155, 4310, 9167, 18334, 38359, 44393, 45835, 76718, 88786, 91670, 191795, 221965, 383590, 443930, 3950977, 7901954, 19754885, 39509770]

約数ペア:

[(1, 39509770), (2, 19754885), (5, 7901954), (10, 3950977), (89, 443930), (103, 383590), (178, 221965), (206, 191795), (431, 91670), (445, 88786), (515, 76718), (862, 45835), (890, 44393), (1030, 38359), (2155, 18334), (4310, 9167)]