28024280

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{13219}}^1$

素因数の和:13283

約数の個数: 32

約数和(自身を含む): 64249200

約数和(自身を除く): 36224920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 13219, 26438, 52876, 66095, 105752, 132190, 264380, 528760, 700607, 1401214, 2802428, 3503035, 5604856, 7006070, 14012140, 28024280]

約数ペア:

[(1, 28024280), (2, 14012140), (4, 7006070), (5, 5604856), (8, 3503035), (10, 2802428), (20, 1401214), (40, 700607), (53, 528760), (106, 264380), (212, 132190), (265, 105752), (424, 66095), (530, 52876), (1060, 26438), (2120, 13219)]