76990640

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{22381}}^1$

素因数の和:22437

約数の個数: 40

約数和(自身を含む): 183174288

約数和(自身を除く): 106183648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 22381, 44762, 89524, 111905, 179048, 223810, 358096, 447620, 895240, 962383, 1790480, 1924766, 3849532, 4811915, 7699064, 9623830, 15398128, 19247660, 38495320, 76990640]

約数ペア:

[(1, 76990640), (2, 38495320), (4, 19247660), (5, 15398128), (8, 9623830), (10, 7699064), (16, 4811915), (20, 3849532), (40, 1924766), (43, 1790480), (80, 962383), (86, 895240), (172, 447620), (215, 358096), (344, 223810), (430, 179048), (688, 111905), (860, 89524), (1720, 44762), (3440, 22381)]