201516025

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{47}}^2\times {\mathrm{89}}^1$

素因数の和:234

約数の個数: 36

約数和(自身を含む): 264475260

約数和(自身を除く): 62959235

約数列:

[1, 5, 25, 41, 47, 89, 205, 235, 445, 1025, 1175, 1927, 2209, 2225, 3649, 4183, 9635, 11045, 18245, 20915, 48175, 55225, 90569, 91225, 104575, 171503, 196601, 452845, 857515, 983005, 2264225, 4287575, 4915025, 8060641, 40303205, 201516025]

約数ペア:

[(1, 201516025), (5, 40303205), (25, 8060641), (41, 4915025), (47, 4287575), (89, 2264225), (205, 983005), (235, 857515), (445, 452845), (1025, 196601), (1175, 171503), (1927, 104575), (2209, 91225), (2225, 90569), (3649, 55225), (4183, 48175), (9635, 20915), (11045, 18245)]