164178760

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{100109}}^1$

素因数の和:100161

約数の個数: 32

約数和(自身を含む): 378415800

約数和(自身を除く): 214237040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 100109, 200218, 400436, 500545, 800872, 1001090, 2002180, 4004360, 4104469, 8208938, 16417876, 20522345, 32835752, 41044690, 82089380, 164178760]

約数ペア:

[(1, 164178760), (2, 82089380), (4, 41044690), (5, 32835752), (8, 20522345), (10, 16417876), (20, 8208938), (40, 4104469), (41, 4004360), (82, 2002180), (164, 1001090), (205, 800872), (328, 500545), (410, 400436), (820, 200218), (1640, 100109)]