81392320

素因数分解:

$2^6\times 5^1\times {\mathrm{347}}^1\times {\mathrm{733}}^1$

素因数の和:1097

約数の個数: 56

約数和(自身を含む): 194639184

約数和(自身を除く): 113246864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 347, 694, 733, 1388, 1466, 1735, 2776, 2932, 3470, 3665, 5552, 5864, 6940, 7330, 11104, 11728, 13880, 14660, 22208, 23456, 27760, 29320, 46912, 55520, 58640, 111040, 117280, 234560, 254351, 508702, 1017404, 1271755, 2034808, 2543510, 4069616, 5087020, 8139232, 10174040, 16278464, 20348080, 40696160, 81392320]

約数ペア:

[(1, 81392320), (2, 40696160), (4, 20348080), (5, 16278464), (8, 10174040), (10, 8139232), (16, 5087020), (20, 4069616), (32, 2543510), (40, 2034808), (64, 1271755), (80, 1017404), (160, 508702), (320, 254351), (347, 234560), (694, 117280), (733, 111040), (1388, 58640), (1466, 55520), (1735, 46912), (2776, 29320), (2932, 27760), (3470, 23456), (3665, 22208), (5552, 14660), (5864, 13880), (6940, 11728), (7330, 11104)]