78829120

素因数分解:

$2^6\times 5^1\times {\mathrm{181}}^1\times {\mathrm{1361}}^1$

素因数の和:1559

約数の個数: 56

約数和(自身を含む): 188887608

約数和(自身を除く): 110058488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 181, 320, 362, 724, 905, 1361, 1448, 1810, 2722, 2896, 3620, 5444, 5792, 6805, 7240, 10888, 11584, 13610, 14480, 21776, 27220, 28960, 43552, 54440, 57920, 87104, 108880, 217760, 246341, 435520, 492682, 985364, 1231705, 1970728, 2463410, 3941456, 4926820, 7882912, 9853640, 15765824, 19707280, 39414560, 78829120]

約数ペア:

[(1, 78829120), (2, 39414560), (4, 19707280), (5, 15765824), (8, 9853640), (10, 7882912), (16, 4926820), (20, 3941456), (32, 2463410), (40, 1970728), (64, 1231705), (80, 985364), (160, 492682), (181, 435520), (320, 246341), (362, 217760), (724, 108880), (905, 87104), (1361, 57920), (1448, 54440), (1810, 43552), (2722, 28960), (2896, 27220), (3620, 21776), (5444, 14480), (5792, 13610), (6805, 11584), (7240, 10888)]