84251920

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{13331}}^1$

素因数の和:13423

約数の個数: 40

約数和(自身を含む): 198380160

約数和(自身を除く): 114128240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 13331, 26662, 53324, 66655, 106648, 133310, 213296, 266620, 533240, 1053149, 1066480, 2106298, 4212596, 5265745, 8425192, 10531490, 16850384, 21062980, 42125960, 84251920]

約数ペア:

[(1, 84251920), (2, 42125960), (4, 21062980), (5, 16850384), (8, 10531490), (10, 8425192), (16, 5265745), (20, 4212596), (40, 2106298), (79, 1066480), (80, 1053149), (158, 533240), (316, 266620), (395, 213296), (632, 133310), (790, 106648), (1264, 66655), (1580, 53324), (3160, 26662), (6320, 13331)]