201330625

素因数分解:

$5^4\times {\mathrm{131}}^1\times {\mathrm{2459}}^1$

素因数の和:2610

約数の個数: 20

約数和(自身を含む): 253606320

約数和(自身を除く): 52275695

約数列:

[1, 5, 25, 125, 131, 625, 655, 2459, 3275, 12295, 16375, 61475, 81875, 307375, 322129, 1536875, 1610645, 8053225, 40266125, 201330625]

約数ペア:

[(1, 201330625), (5, 40266125), (25, 8053225), (125, 1610645), (131, 1536875), (625, 322129), (655, 307375), (2459, 81875), (3275, 61475), (12295, 16375)]