40376720

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{3631}}^1$

素因数の和:3783

約数の個数: 40

約数和(自身を含む): 94577280

約数和(自身を除く): 54200560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 556, 695, 1112, 1390, 2224, 2780, 3631, 5560, 7262, 11120, 14524, 18155, 29048, 36310, 58096, 72620, 145240, 290480, 504709, 1009418, 2018836, 2523545, 4037672, 5047090, 8075344, 10094180, 20188360, 40376720]

約数ペア:

[(1, 40376720), (2, 20188360), (4, 10094180), (5, 8075344), (8, 5047090), (10, 4037672), (16, 2523545), (20, 2018836), (40, 1009418), (80, 504709), (139, 290480), (278, 145240), (556, 72620), (695, 58096), (1112, 36310), (1390, 29048), (2224, 18155), (2780, 14524), (3631, 11120), (5560, 7262)]