40479320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{144569}}^1$

素因数の和:144587

約数の個数: 32

約数和(自身を含む): 104090400

約数和(自身を除く): 63611080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 144569, 289138, 578276, 722845, 1011983, 1156552, 1445690, 2023966, 2891380, 4047932, 5059915, 5782760, 8095864, 10119830, 20239660, 40479320]

約数ペア:

[(1, 40479320), (2, 20239660), (4, 10119830), (5, 8095864), (7, 5782760), (8, 5059915), (10, 4047932), (14, 2891380), (20, 2023966), (28, 1445690), (35, 1156552), (40, 1011983), (56, 722845), (70, 578276), (140, 289138), (280, 144569)]