80506880

素因数分解:

$2^{12}\times 5^1\times {\mathrm{3931}}^1$

素因数の和:3960

約数の個数: 52

約数和(自身を含む): 193242072

約数和(自身を除く): 112735192

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, 4096, 5120, 7862, 10240, 15724, 19655, 20480, 31448, 39310, 62896, 78620, 125792, 157240, 251584, 314480, 503168, 628960, 1006336, 1257920, 2012672, 2515840, 4025344, 5031680, 8050688, 10063360, 16101376, 20126720, 40253440, 80506880]

約数ペア:

[(1, 80506880), (2, 40253440), (4, 20126720), (5, 16101376), (8, 10063360), (10, 8050688), (16, 5031680), (20, 4025344), (32, 2515840), (40, 2012672), (64, 1257920), (80, 1006336), (128, 628960), (160, 503168), (256, 314480), (320, 251584), (512, 157240), (640, 125792), (1024, 78620), (1280, 62896), (2048, 39310), (2560, 31448), (3931, 20480), (4096, 19655), (5120, 15724), (7862, 10240)]