40199320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{143569}}^1$

素因数の和:143587

約数の個数: 32

約数和(自身を含む): 103370400

約数和(自身を除く): 63171080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 143569, 287138, 574276, 717845, 1004983, 1148552, 1435690, 2009966, 2871380, 4019932, 5024915, 5742760, 8039864, 10049830, 20099660, 40199320]

約数ペア:

[(1, 40199320), (2, 20099660), (4, 10049830), (5, 8039864), (7, 5742760), (8, 5024915), (10, 4019932), (14, 2871380), (20, 2009966), (28, 1435690), (35, 1148552), (40, 1004983), (56, 717845), (70, 574276), (140, 287138), (280, 143569)]