80954660

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^2\times {\mathrm{4813}}^1$

素因数の和:4880

約数の個数: 36

約数和(自身を含む): 176105748

約数和(自身を除く): 95151088

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 841, 1682, 3364, 4205, 4813, 8410, 9626, 16820, 19252, 24065, 48130, 96260, 139577, 279154, 558308, 697885, 1395770, 2791540, 4047733, 8095466, 16190932, 20238665, 40477330, 80954660]

約数ペア:

[(1, 80954660), (2, 40477330), (4, 20238665), (5, 16190932), (10, 8095466), (20, 4047733), (29, 2791540), (58, 1395770), (116, 697885), (145, 558308), (290, 279154), (580, 139577), (841, 96260), (1682, 48130), (3364, 24065), (4205, 19252), (4813, 16820), (8410, 9626)]