8879440

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{6529}}^1$

素因数の和:6559

約数の個数: 40

約数和(自身を含む): 21862440

約数和(自身を除く): 12983000

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 6529, 13058, 26116, 32645, 52232, 65290, 104464, 110993, 130580, 221986, 261160, 443972, 522320, 554965, 887944, 1109930, 1775888, 2219860, 4439720, 8879440]

約数ペア:

[(1, 8879440), (2, 4439720), (4, 2219860), (5, 1775888), (8, 1109930), (10, 887944), (16, 554965), (17, 522320), (20, 443972), (34, 261160), (40, 221986), (68, 130580), (80, 110993), (85, 104464), (136, 65290), (170, 52232), (272, 32645), (340, 26116), (680, 13058), (1360, 6529)]