40078640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{71569}}^1$

素因数の和:71589

約数の個数: 40

約数和(自身を含む): 106496160

約数和(自身を除く): 66417520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 71569, 143138, 286276, 357845, 500983, 572552, 715690, 1001966, 1145104, 1431380, 2003932, 2504915, 2862760, 4007864, 5009830, 5725520, 8015728, 10019660, 20039320, 40078640]

約数ペア:

[(1, 40078640), (2, 20039320), (4, 10019660), (5, 8015728), (7, 5725520), (8, 5009830), (10, 4007864), (14, 2862760), (16, 2504915), (20, 2003932), (28, 1431380), (35, 1145104), (40, 1001966), (56, 715690), (70, 572552), (80, 500983), (112, 357845), (140, 286276), (280, 143138), (560, 71569)]