51039440

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37529}}^1$

素因数の和:37559

約数の個数: 40

約数和(自身を含む): 125650440

約数和(自身を除く): 74611000

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 37529, 75058, 150116, 187645, 300232, 375290, 600464, 637993, 750580, 1275986, 1501160, 2551972, 3002320, 3189965, 5103944, 6379930, 10207888, 12759860, 25519720, 51039440]

約数ペア:

[(1, 51039440), (2, 25519720), (4, 12759860), (5, 10207888), (8, 6379930), (10, 5103944), (16, 3189965), (17, 3002320), (20, 2551972), (34, 1501160), (40, 1275986), (68, 750580), (80, 637993), (85, 600464), (136, 375290), (170, 300232), (272, 187645), (340, 150116), (680, 75058), (1360, 37529)]