51265520

素因数分解:

$2^4\times 5^1\times {\mathrm{241}}^1\times {\mathrm{2659}}^1$

素因数の和:2913

約数の個数: 40

約数和(自身を含む): 119731920

約数和(自身を除く): 68466400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 241, 482, 964, 1205, 1928, 2410, 2659, 3856, 4820, 5318, 9640, 10636, 13295, 19280, 21272, 26590, 42544, 53180, 106360, 212720, 640819, 1281638, 2563276, 3204095, 5126552, 6408190, 10253104, 12816380, 25632760, 51265520]

約数ペア:

[(1, 51265520), (2, 25632760), (4, 12816380), (5, 10253104), (8, 6408190), (10, 5126552), (16, 3204095), (20, 2563276), (40, 1281638), (80, 640819), (241, 212720), (482, 106360), (964, 53180), (1205, 42544), (1928, 26590), (2410, 21272), (2659, 19280), (3856, 13295), (4820, 10636), (5318, 9640)]