39739975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:208

約数の個数: 48

約数和(自身を含む): 57567744

約数和(自身を除く): 17827769

約数列:

[1, 5, 11, 23, 25, 55, 61, 103, 115, 253, 275, 305, 515, 575, 671, 1133, 1265, 1403, 1525, 2369, 2575, 3355, 5665, 6283, 6325, 7015, 11845, 15433, 16775, 26059, 28325, 31415, 35075, 59225, 69113, 77165, 130295, 144509, 157075, 345565, 385825, 651475, 722545, 1589599, 1727825, 3612725, 7947995, 39739975]

約数ペア:

[(1, 39739975), (5, 7947995), (11, 3612725), (23, 1727825), (25, 1589599), (55, 722545), (61, 651475), (103, 385825), (115, 345565), (253, 157075), (275, 144509), (305, 130295), (515, 77165), (575, 69113), (671, 59225), (1133, 35075), (1265, 31415), (1403, 28325), (1525, 26059), (2369, 16775), (2575, 15433), (3355, 11845), (5665, 7015), (6283, 6325)]