40253440

素因数分解:

$2^{11}\times 5^1\times {\mathrm{3931}}^1$

素因数の和:3958

約数の個数: 48

約数和(自身を含む): 96609240

約数和(自身を除く): 56355800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2048, 2560, 3931, 5120, 7862, 10240, 15724, 19655, 31448, 39310, 62896, 78620, 125792, 157240, 251584, 314480, 503168, 628960, 1006336, 1257920, 2012672, 2515840, 4025344, 5031680, 8050688, 10063360, 20126720, 40253440]

約数ペア:

[(1, 40253440), (2, 20126720), (4, 10063360), (5, 8050688), (8, 5031680), (10, 4025344), (16, 2515840), (20, 2012672), (32, 1257920), (40, 1006336), (64, 628960), (80, 503168), (128, 314480), (160, 251584), (256, 157240), (320, 125792), (512, 78620), (640, 62896), (1024, 39310), (1280, 31448), (2048, 19655), (2560, 15724), (3931, 10240), (5120, 7862)]