38913560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{138977}}^1$

素因数の和:138995

約数の個数: 32

約数和(自身を含む): 100064160

約数和(自身を除く): 61150600

約数列:

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

約数ペア:

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