836691280

素因数分解:

$2^4\times 5^1\times {\mathrm{971}}^1\times {\mathrm{10771}}^1$

素因数の和:11755

約数の個数: 40

約数和(自身を含む): 1947491424

約数和(自身を除く): 1110800144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 971, 1942, 3884, 4855, 7768, 9710, 10771, 15536, 19420, 21542, 38840, 43084, 53855, 77680, 86168, 107710, 172336, 215420, 430840, 861680, 10458641, 20917282, 41834564, 52293205, 83669128, 104586410, 167338256, 209172820, 418345640, 836691280]

約数ペア:

[(1, 836691280), (2, 418345640), (4, 209172820), (5, 167338256), (8, 104586410), (10, 83669128), (16, 52293205), (20, 41834564), (40, 20917282), (80, 10458641), (971, 861680), (1942, 430840), (3884, 215420), (4855, 172336), (7768, 107710), (9710, 86168), (10771, 77680), (15536, 53855), (19420, 43084), (21542, 38840)]