2091920

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{331}}^1$

素因数の和:423

約数の個数: 40

約数和(自身を含む): 4940160

約数和(自身を除く): 2848240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 331, 395, 632, 662, 790, 1264, 1324, 1580, 1655, 2648, 3160, 3310, 5296, 6320, 6620, 13240, 26149, 26480, 52298, 104596, 130745, 209192, 261490, 418384, 522980, 1045960, 2091920]

約数ペア:

[(1, 2091920), (2, 1045960), (4, 522980), (5, 418384), (8, 261490), (10, 209192), (16, 130745), (20, 104596), (40, 52298), (79, 26480), (80, 26149), (158, 13240), (316, 6620), (331, 6320), (395, 5296), (632, 3310), (662, 3160), (790, 2648), (1264, 1655), (1324, 1580)]