20349813425

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{2887}}^1$

素因数の和:3102

約数の個数: 48

約数和(自身を含む): 26471639040

約数和(自身を除く): 6121825615

約数列:

[1, 5, 25, 43, 79, 83, 215, 395, 415, 1075, 1975, 2075, 2887, 3397, 3569, 6557, 14435, 16985, 17845, 32785, 72175, 84925, 89225, 124141, 163925, 228073, 239621, 281951, 620705, 1140365, 1198105, 1409755, 3103525, 5701825, 5990525, 7048775, 9807139, 10303703, 18930059, 49035695, 51518515, 94650295, 245178475, 257592575, 473251475, 813992537, 4069962685, 20349813425]

約数ペア:

[(1, 20349813425), (5, 4069962685), (25, 813992537), (43, 473251475), (79, 257592575), (83, 245178475), (215, 94650295), (395, 51518515), (415, 49035695), (1075, 18930059), (1975, 10303703), (2075, 9807139), (2887, 7048775), (3397, 5990525), (3569, 5701825), (6557, 3103525), (14435, 1409755), (16985, 1198105), (17845, 1140365), (32785, 620705), (72175, 281951), (84925, 239621), (89225, 228073), (124141, 163925)]