80392960

素因数分解:

$2^8\times 5^1\times {\mathrm{181}}^1\times {\mathrm{347}}^1$

素因数の和:549

約数の個数: 72

約数和(自身を含む): 194188176

約数和(自身を除く): 113795216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 181, 256, 320, 347, 362, 640, 694, 724, 905, 1280, 1388, 1448, 1735, 1810, 2776, 2896, 3470, 3620, 5552, 5792, 6940, 7240, 11104, 11584, 13880, 14480, 22208, 23168, 27760, 28960, 44416, 46336, 55520, 57920, 62807, 88832, 111040, 115840, 125614, 222080, 231680, 251228, 314035, 444160, 502456, 628070, 1004912, 1256140, 2009824, 2512280, 4019648, 5024560, 8039296, 10049120, 16078592, 20098240, 40196480, 80392960]

約数ペア:

[(1, 80392960), (2, 40196480), (4, 20098240), (5, 16078592), (8, 10049120), (10, 8039296), (16, 5024560), (20, 4019648), (32, 2512280), (40, 2009824), (64, 1256140), (80, 1004912), (128, 628070), (160, 502456), (181, 444160), (256, 314035), (320, 251228), (347, 231680), (362, 222080), (640, 125614), (694, 115840), (724, 111040), (905, 88832), (1280, 62807), (1388, 57920), (1448, 55520), (1735, 46336), (1810, 44416), (2776, 28960), (2896, 27760), (3470, 23168), (3620, 22208), (5552, 14480), (5792, 13880), (6940, 11584), (7240, 11104)]