87118640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{155569}}^1$

素因数の和:155589

約数の個数: 40

約数和(自身を含む): 231488160

約数和(自身を除く): 144369520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 155569, 311138, 622276, 777845, 1088983, 1244552, 1555690, 2177966, 2489104, 3111380, 4355932, 5444915, 6222760, 8711864, 10889830, 12445520, 17423728, 21779660, 43559320, 87118640]

約数ペア:

[(1, 87118640), (2, 43559320), (4, 21779660), (5, 17423728), (7, 12445520), (8, 10889830), (10, 8711864), (14, 6222760), (16, 5444915), (20, 4355932), (28, 3111380), (35, 2489104), (40, 2177966), (56, 1555690), (70, 1244552), (80, 1088983), (112, 777845), (140, 622276), (280, 311138), (560, 155569)]