29279440

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{21529}}^1$

素因数の和:21559

約数の個数: 40

約数和(自身を含む): 72082440

約数和(自身を除く): 42803000

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 21529, 43058, 86116, 107645, 172232, 215290, 344464, 365993, 430580, 731986, 861160, 1463972, 1722320, 1829965, 2927944, 3659930, 5855888, 7319860, 14639720, 29279440]

約数ペア:

[(1, 29279440), (2, 14639720), (4, 7319860), (5, 5855888), (8, 3659930), (10, 2927944), (16, 1829965), (17, 1722320), (20, 1463972), (34, 861160), (40, 731986), (68, 430580), (80, 365993), (85, 344464), (136, 215290), (170, 172232), (272, 107645), (340, 86116), (680, 43058), (1360, 21529)]