25900020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{47963}}^1$

素因数の和:47981

約数の個数: 48

約数和(自身を含む): 80579520

約数和(自身を除く): 54679500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 47963, 95926, 143889, 191852, 239815, 287778, 431667, 479630, 575556, 719445, 863334, 959260, 1295001, 1438890, 1726668, 2158335, 2590002, 2877780, 4316670, 5180004, 6475005, 8633340, 12950010, 25900020]

約数ペア:

[(1, 25900020), (2, 12950010), (3, 8633340), (4, 6475005), (5, 5180004), (6, 4316670), (9, 2877780), (10, 2590002), (12, 2158335), (15, 1726668), (18, 1438890), (20, 1295001), (27, 959260), (30, 863334), (36, 719445), (45, 575556), (54, 479630), (60, 431667), (90, 287778), (108, 239815), (135, 191852), (180, 143889), (270, 95926), (540, 47963)]