77827120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{138977}}^1$

素因数の和:138997

約数の個数: 40

約数和(自身を含む): 206799264

約数和(自身を除く): 128972144

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 138977, 277954, 555908, 694885, 972839, 1111816, 1389770, 1945678, 2223632, 2779540, 3891356, 4864195, 5559080, 7782712, 9728390, 11118160, 15565424, 19456780, 38913560, 77827120]

約数ペア:

[(1, 77827120), (2, 38913560), (4, 19456780), (5, 15565424), (7, 11118160), (8, 9728390), (10, 7782712), (14, 5559080), (16, 4864195), (20, 3891356), (28, 2779540), (35, 2223632), (40, 1945678), (56, 1389770), (70, 1111816), (80, 972839), (112, 694885), (140, 555908), (280, 277954), (560, 138977)]