8156240

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2371}}^1$

素因数の和:2427

約数の個数: 40

約数和(自身を含む): 19412448

約数和(自身を除く): 11256208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 2371, 3440, 4742, 9484, 11855, 18968, 23710, 37936, 47420, 94840, 101953, 189680, 203906, 407812, 509765, 815624, 1019530, 1631248, 2039060, 4078120, 8156240]

約数ペア:

[(1, 8156240), (2, 4078120), (4, 2039060), (5, 1631248), (8, 1019530), (10, 815624), (16, 509765), (20, 407812), (40, 203906), (43, 189680), (80, 101953), (86, 94840), (172, 47420), (215, 37936), (344, 23710), (430, 18968), (688, 11855), (860, 9484), (1720, 4742), (2371, 3440)]