80446180

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{977}}^1$

素因数の和:1188

約数の個数: 48

約数和(自身を含む): 177448320

約数和(自身を除く): 97002140

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 179, 230, 358, 460, 716, 895, 977, 1790, 1954, 3580, 3908, 4117, 4885, 8234, 9770, 16468, 19540, 20585, 22471, 41170, 44942, 82340, 89884, 112355, 174883, 224710, 349766, 449420, 699532, 874415, 1748830, 3497660, 4022309, 8044618, 16089236, 20111545, 40223090, 80446180]

約数ペア:

[(1, 80446180), (2, 40223090), (4, 20111545), (5, 16089236), (10, 8044618), (20, 4022309), (23, 3497660), (46, 1748830), (92, 874415), (115, 699532), (179, 449420), (230, 349766), (358, 224710), (460, 174883), (716, 112355), (895, 89884), (977, 82340), (1790, 44942), (1954, 41170), (3580, 22471), (3908, 20585), (4117, 19540), (4885, 16468), (8234, 9770)]