65641840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{769}}^1$

素因数の和:890

約数の個数: 80

約数和(自身を含む): 168426720

約数和(自身を除く): 102784880

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 97, 110, 176, 194, 220, 388, 440, 485, 769, 776, 880, 970, 1067, 1538, 1552, 1940, 2134, 3076, 3845, 3880, 4268, 5335, 6152, 7690, 7760, 8459, 8536, 10670, 12304, 15380, 16918, 17072, 21340, 30760, 33836, 42295, 42680, 61520, 67672, 74593, 84590, 85360, 135344, 149186, 169180, 298372, 338360, 372965, 596744, 676720, 745930, 820523, 1193488, 1491860, 1641046, 2983720, 3282092, 4102615, 5967440, 6564184, 8205230, 13128368, 16410460, 32820920, 65641840]

約数ペア:

[(1, 65641840), (2, 32820920), (4, 16410460), (5, 13128368), (8, 8205230), (10, 6564184), (11, 5967440), (16, 4102615), (20, 3282092), (22, 2983720), (40, 1641046), (44, 1491860), (55, 1193488), (80, 820523), (88, 745930), (97, 676720), (110, 596744), (176, 372965), (194, 338360), (220, 298372), (388, 169180), (440, 149186), (485, 135344), (769, 85360), (776, 84590), (880, 74593), (970, 67672), (1067, 61520), (1538, 42680), (1552, 42295), (1940, 33836), (2134, 30760), (3076, 21340), (3845, 17072), (3880, 16918), (4268, 15380), (5335, 12304), (6152, 10670), (7690, 8536), (7760, 8459)]