76878440

素因数分解:

$2^3\times 5^1\times {\mathrm{821}}^1\times {\mathrm{2341}}^1$

素因数の和:3173

約数の個数: 32

約数和(自身を含む): 173261160

約数和(自身を除く): 96382720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 821, 1642, 2341, 3284, 4105, 4682, 6568, 8210, 9364, 11705, 16420, 18728, 23410, 32840, 46820, 93640, 1921961, 3843922, 7687844, 9609805, 15375688, 19219610, 38439220, 76878440]

約数ペア:

[(1, 76878440), (2, 38439220), (4, 19219610), (5, 15375688), (8, 9609805), (10, 7687844), (20, 3843922), (40, 1921961), (821, 93640), (1642, 46820), (2341, 32840), (3284, 23410), (4105, 18728), (4682, 16420), (6568, 11705), (8210, 9364)]