80642928

素因数分解:

$2^4\times 3^1\times {\mathrm{641}}^1\times {\mathrm{2621}}^1$

素因数の和:3273

約数の個数: 40

約数和(自身を含む): 208732176

約数和(自身を除く): 128089248

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 641, 1282, 1923, 2564, 2621, 3846, 5128, 5242, 7692, 7863, 10256, 10484, 15384, 15726, 20968, 30768, 31452, 41936, 62904, 125808, 1680061, 3360122, 5040183, 6720244, 10080366, 13440488, 20160732, 26880976, 40321464, 80642928]

約数ペア:

[(1, 80642928), (2, 40321464), (3, 26880976), (4, 20160732), (6, 13440488), (8, 10080366), (12, 6720244), (16, 5040183), (24, 3360122), (48, 1680061), (641, 125808), (1282, 62904), (1923, 41936), (2564, 31452), (2621, 30768), (3846, 20968), (5128, 15726), (5242, 15384), (7692, 10484), (7863, 10256)]