16478440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2203}}^1$

素因数の和:2242

約数の個数: 64

約数和(自身を含む): 42845760

約数和(自身を除く): 26367320

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 136, 170, 187, 220, 340, 374, 440, 680, 748, 935, 1496, 1870, 2203, 3740, 4406, 7480, 8812, 11015, 17624, 22030, 24233, 37451, 44060, 48466, 74902, 88120, 96932, 121165, 149804, 187255, 193864, 242330, 299608, 374510, 411961, 484660, 749020, 823922, 969320, 1498040, 1647844, 2059805, 3295688, 4119610, 8239220, 16478440]

約数ペア:

[(1, 16478440), (2, 8239220), (4, 4119610), (5, 3295688), (8, 2059805), (10, 1647844), (11, 1498040), (17, 969320), (20, 823922), (22, 749020), (34, 484660), (40, 411961), (44, 374510), (55, 299608), (68, 242330), (85, 193864), (88, 187255), (110, 149804), (136, 121165), (170, 96932), (187, 88120), (220, 74902), (340, 48466), (374, 44060), (440, 37451), (680, 24233), (748, 22030), (935, 17624), (1496, 11015), (1870, 8812), (2203, 7480), (3740, 4406)]