202312720

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{23201}}^1$

素因数の和:23323

約数の個数: 40

約数和(自身を含む): 474712920

約数和(自身を除く): 272400200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 8720, 23201, 46402, 92804, 116005, 185608, 232010, 371216, 464020, 928040, 1856080, 2528909, 5057818, 10115636, 12644545, 20231272, 25289090, 40462544, 50578180, 101156360, 202312720]

約数ペア:

[(1, 202312720), (2, 101156360), (4, 50578180), (5, 40462544), (8, 25289090), (10, 20231272), (16, 12644545), (20, 10115636), (40, 5057818), (80, 2528909), (109, 1856080), (218, 928040), (436, 464020), (545, 371216), (872, 232010), (1090, 185608), (1744, 116005), (2180, 92804), (4360, 46402), (8720, 23201)]