16800100

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{3907}}^1$

素因数の和:3964

約数の個数: 36

約数和(自身を含む): 37313584

約数和(自身を除く): 20513484

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 172, 215, 430, 860, 1075, 2150, 3907, 4300, 7814, 15628, 19535, 39070, 78140, 97675, 168001, 195350, 336002, 390700, 672004, 840005, 1680010, 3360020, 4200025, 8400050, 16800100]

約数ペア:

[(1, 16800100), (2, 8400050), (4, 4200025), (5, 3360020), (10, 1680010), (20, 840005), (25, 672004), (43, 390700), (50, 336002), (86, 195350), (100, 168001), (172, 97675), (215, 78140), (430, 39070), (860, 19535), (1075, 15628), (2150, 7814), (3907, 4300)]