77934640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{139169}}^1$

素因数の和:139189

約数の個数: 40

約数和(自身を含む): 207084960

約数和(自身を除く): 129150320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 139169, 278338, 556676, 695845, 974183, 1113352, 1391690, 1948366, 2226704, 2783380, 3896732, 4870915, 5566760, 7793464, 9741830, 11133520, 15586928, 19483660, 38967320, 77934640]

約数ペア:

[(1, 77934640), (2, 38967320), (4, 19483660), (5, 15586928), (7, 11133520), (8, 9741830), (10, 7793464), (14, 5566760), (16, 4870915), (20, 3896732), (28, 2783380), (35, 2226704), (40, 1948366), (56, 1391690), (70, 1113352), (80, 974183), (112, 695845), (140, 556676), (280, 278338), (560, 139169)]