20124201250

素因数分解:

$2^1\times 5^4\times {\mathrm{2551}}^1\times {\mathrm{6311}}^1$

素因数の和:8884

約数の個数: 40

約数和(自身を含む): 37741568832

約数和(自身を除く): 17617367582

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 625, 1250, 2551, 5102, 6311, 12622, 12755, 25510, 31555, 63110, 63775, 127550, 157775, 315550, 318875, 637750, 788875, 1577750, 1594375, 3188750, 3944375, 7888750, 16099361, 32198722, 80496805, 160993610, 402484025, 804968050, 2012420125, 4024840250, 10062100625, 20124201250]

約数ペア:

[(1, 20124201250), (2, 10062100625), (5, 4024840250), (10, 2012420125), (25, 804968050), (50, 402484025), (125, 160993610), (250, 80496805), (625, 32198722), (1250, 16099361), (2551, 7888750), (5102, 3944375), (6311, 3188750), (12622, 1594375), (12755, 1577750), (25510, 788875), (31555, 637750), (63110, 318875), (63775, 315550), (127550, 157775)]