81988160

素因数分解:

$2^6\times 5^1\times {\mathrm{173}}^1\times {\mathrm{1481}}^1$

素因数の和:1671

約数の個数: 56

約数和(自身を含む): 196495416

約数和(自身を除く): 114507256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 173, 320, 346, 692, 865, 1384, 1481, 1730, 2768, 2962, 3460, 5536, 5924, 6920, 7405, 11072, 11848, 13840, 14810, 23696, 27680, 29620, 47392, 55360, 59240, 94784, 118480, 236960, 256213, 473920, 512426, 1024852, 1281065, 2049704, 2562130, 4099408, 5124260, 8198816, 10248520, 16397632, 20497040, 40994080, 81988160]

約数ペア:

[(1, 81988160), (2, 40994080), (4, 20497040), (5, 16397632), (8, 10248520), (10, 8198816), (16, 5124260), (20, 4099408), (32, 2562130), (40, 2049704), (64, 1281065), (80, 1024852), (160, 512426), (173, 473920), (320, 256213), (346, 236960), (692, 118480), (865, 94784), (1384, 59240), (1481, 55360), (1730, 47392), (2768, 29620), (2962, 27680), (3460, 23696), (5536, 14810), (5924, 13840), (6920, 11848), (7405, 11072)]