2085264920

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1271503}}^1$

素因数の和:1271555

約数の個数: 32

約数和(自身を含む): 4806285120

約数和(自身を除く): 2721020200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 1271503, 2543006, 5086012, 6357515, 10172024, 12715030, 25430060, 50860120, 52131623, 104263246, 208526492, 260658115, 417052984, 521316230, 1042632460, 2085264920]

約数ペア:

[(1, 2085264920), (2, 1042632460), (4, 521316230), (5, 417052984), (8, 260658115), (10, 208526492), (20, 104263246), (40, 52131623), (41, 50860120), (82, 25430060), (164, 12715030), (205, 10172024), (328, 6357515), (410, 5086012), (820, 2543006), (1640, 1271503)]