25019685

素因数分解:

$3^4\times 5^1\times {\mathrm{163}}^1\times {\mathrm{379}}^1$

素因数の和:559

約数の個数: 40

約数和(自身を含む): 45244320

約数和(自身を除く): 20224635

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 163, 379, 405, 489, 815, 1137, 1467, 1895, 2445, 3411, 4401, 5685, 7335, 10233, 13203, 17055, 22005, 30699, 51165, 61777, 66015, 153495, 185331, 308885, 555993, 926655, 1667979, 2779965, 5003937, 8339895, 25019685]

約数ペア:

[(1, 25019685), (3, 8339895), (5, 5003937), (9, 2779965), (15, 1667979), (27, 926655), (45, 555993), (81, 308885), (135, 185331), (163, 153495), (379, 66015), (405, 61777), (489, 51165), (815, 30699), (1137, 22005), (1467, 17055), (1895, 13203), (2445, 10233), (3411, 7335), (4401, 5685)]