2628880

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1933}}^1$

素因数の和:1963

約数の個数: 40

約数和(自身を含む): 6475032

約数和(自身を除く): 3846152

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 1933, 3866, 7732, 9665, 15464, 19330, 30928, 32861, 38660, 65722, 77320, 131444, 154640, 164305, 262888, 328610, 525776, 657220, 1314440, 2628880]

約数ペア:

[(1, 2628880), (2, 1314440), (4, 657220), (5, 525776), (8, 328610), (10, 262888), (16, 164305), (17, 154640), (20, 131444), (34, 77320), (40, 65722), (68, 38660), (80, 32861), (85, 30928), (136, 19330), (170, 15464), (272, 9665), (340, 7732), (680, 3866), (1360, 1933)]