68145920

素因数分解:

$2^8\times 5^1\times {\mathrm{53239}}^1$

素因数の和:53260

約数の個数: 36

約数和(自身を含む): 163233840

約数和(自身を除く): 95087920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 53239, 106478, 212956, 266195, 425912, 532390, 851824, 1064780, 1703648, 2129560, 3407296, 4259120, 6814592, 8518240, 13629184, 17036480, 34072960, 68145920]

約数ペア:

[(1, 68145920), (2, 34072960), (4, 17036480), (5, 13629184), (8, 8518240), (10, 6814592), (16, 4259120), (20, 3407296), (32, 2129560), (40, 1703648), (64, 1064780), (80, 851824), (128, 532390), (160, 425912), (256, 266195), (320, 212956), (640, 106478), (1280, 53239)]