2778640

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{739}}^1$

素因数の和:799

約数の個数: 40

約数和(自身を含む): 6606720

約数和(自身を除く): 3828080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 739, 752, 940, 1478, 1880, 2956, 3695, 3760, 5912, 7390, 11824, 14780, 29560, 34733, 59120, 69466, 138932, 173665, 277864, 347330, 555728, 694660, 1389320, 2778640]

約数ペア:

[(1, 2778640), (2, 1389320), (4, 694660), (5, 555728), (8, 347330), (10, 277864), (16, 173665), (20, 138932), (40, 69466), (47, 59120), (80, 34733), (94, 29560), (188, 14780), (235, 11824), (376, 7390), (470, 5912), (739, 3760), (752, 3695), (940, 2956), (1478, 1880)]