2878480

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3271}}^1$

素因数の和:3295

約数の個数: 40

約数和(自身を含む): 7303104

約数和(自身を除く): 4424624

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 3271, 6542, 13084, 16355, 26168, 32710, 35981, 52336, 65420, 71962, 130840, 143924, 179905, 261680, 287848, 359810, 575696, 719620, 1439240, 2878480]

約数ペア:

[(1, 2878480), (2, 1439240), (4, 719620), (5, 575696), (8, 359810), (10, 287848), (11, 261680), (16, 179905), (20, 143924), (22, 130840), (40, 71962), (44, 65420), (55, 52336), (80, 35981), (88, 32710), (110, 26168), (176, 16355), (220, 13084), (440, 6542), (880, 3271)]