2015901925

素因数分解:

$5^2\times {\mathrm{83}}^1\times {\mathrm{101}}^1\times {\mathrm{9619}}^1$

素因数の和:9813

約数の個数: 24

約数和(自身を含む): 2555148960

約数和(自身を除く): 539247035

約数列:

[1, 5, 25, 83, 101, 415, 505, 2075, 2525, 8383, 9619, 41915, 48095, 209575, 240475, 798377, 971519, 3991885, 4857595, 19959425, 24287975, 80636077, 403180385, 2015901925]

約数ペア:

[(1, 2015901925), (5, 403180385), (25, 80636077), (83, 24287975), (101, 19959425), (415, 4857595), (505, 3991885), (2075, 971519), (2525, 798377), (8383, 240475), (9619, 209575), (41915, 48095)]