20045404880

素因数分解:

$2^4\times 5^1\times {\mathrm{4937}}^1\times {\mathrm{50753}}^1$

素因数の和:55703

約数の個数: 40

約数和(自身を含む): 46615924872

約数和(自身を除く): 26570519992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4937, 9874, 19748, 24685, 39496, 49370, 50753, 78992, 98740, 101506, 197480, 203012, 253765, 394960, 406024, 507530, 812048, 1015060, 2030120, 4060240, 250567561, 501135122, 1002270244, 1252837805, 2004540488, 2505675610, 4009080976, 5011351220, 10022702440, 20045404880]

約数ペア:

[(1, 20045404880), (2, 10022702440), (4, 5011351220), (5, 4009080976), (8, 2505675610), (10, 2004540488), (16, 1252837805), (20, 1002270244), (40, 501135122), (80, 250567561), (4937, 4060240), (9874, 2030120), (19748, 1015060), (24685, 812048), (39496, 507530), (49370, 406024), (50753, 394960), (78992, 253765), (98740, 203012), (101506, 197480)]