39440

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1$

素因数の和:59

約数の個数: 40

約数和(自身を含む): 100440

約数和(自身を除く): 61000

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 29, 34, 40, 58, 68, 80, 85, 116, 136, 145, 170, 232, 272, 290, 340, 464, 493, 580, 680, 986, 1160, 1360, 1972, 2320, 2465, 3944, 4930, 7888, 9860, 19720, 39440]

約数ペア:

[(1, 39440), (2, 19720), (4, 9860), (5, 7888), (8, 4930), (10, 3944), (16, 2465), (17, 2320), (20, 1972), (29, 1360), (34, 1160), (40, 986), (58, 680), (68, 580), (80, 493), (85, 464), (116, 340), (136, 290), (145, 272), (170, 232)]