12279440

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{9029}}^1$

素因数の和:9059

約数の個数: 40

約数和(自身を含む): 30232440

約数和(自身を除く): 17953000

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 9029, 18058, 36116, 45145, 72232, 90290, 144464, 153493, 180580, 306986, 361160, 613972, 722320, 767465, 1227944, 1534930, 2455888, 3069860, 6139720, 12279440]

約数ペア:

[(1, 12279440), (2, 6139720), (4, 3069860), (5, 2455888), (8, 1534930), (10, 1227944), (16, 767465), (17, 722320), (20, 613972), (34, 361160), (40, 306986), (68, 180580), (80, 153493), (85, 144464), (136, 90290), (170, 72232), (272, 45145), (340, 36116), (680, 18058), (1360, 9029)]