25333750

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{1559}}^1$

素因数の和:1594

約数の個数: 40

約数和(自身を含む): 51171120

約数和(自身を除く): 25837370

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 625, 650, 1250, 1559, 1625, 3118, 3250, 7795, 8125, 15590, 16250, 20267, 38975, 40534, 77950, 101335, 194875, 202670, 389750, 506675, 974375, 1013350, 1948750, 2533375, 5066750, 12666875, 25333750]

約数ペア:

[(1, 25333750), (2, 12666875), (5, 5066750), (10, 2533375), (13, 1948750), (25, 1013350), (26, 974375), (50, 506675), (65, 389750), (125, 202670), (130, 194875), (250, 101335), (325, 77950), (625, 40534), (650, 38975), (1250, 20267), (1559, 16250), (1625, 15590), (3118, 8125), (3250, 7795)]