80521628

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:195

約数の個数: 72

約数和(自身を含む): 163692144

約数和(自身を除く): 83170516

約数列:

[1, 2, 4, 11, 22, 43, 44, 53, 73, 86, 106, 121, 146, 172, 212, 242, 292, 473, 484, 583, 803, 946, 1166, 1606, 1892, 2279, 2332, 3139, 3212, 3869, 4558, 5203, 6278, 6413, 7738, 8833, 9116, 10406, 12556, 12826, 15476, 17666, 20812, 25069, 25652, 34529, 35332, 42559, 50138, 69058, 85118, 100276, 138116, 166367, 170236, 275759, 332734, 379819, 468149, 551518, 665468, 759638, 936298, 1103036, 1519276, 1830037, 1872596, 3660074, 7320148, 20130407, 40260814, 80521628]

約数ペア:

[(1, 80521628), (2, 40260814), (4, 20130407), (11, 7320148), (22, 3660074), (43, 1872596), (44, 1830037), (53, 1519276), (73, 1103036), (86, 936298), (106, 759638), (121, 665468), (146, 551518), (172, 468149), (212, 379819), (242, 332734), (292, 275759), (473, 170236), (484, 166367), (583, 138116), (803, 100276), (946, 85118), (1166, 69058), (1606, 50138), (1892, 42559), (2279, 35332), (2332, 34529), (3139, 25652), (3212, 25069), (3869, 20812), (4558, 17666), (5203, 15476), (6278, 12826), (6413, 12556), (7738, 10406), (8833, 9116)]