16943960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{397}}^1$

素因数の和:516

約数の個数: 64

約数和(自身を含む): 42124320

約数和(自身を除く): 25180360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 97, 110, 194, 220, 388, 397, 440, 485, 776, 794, 970, 1067, 1588, 1940, 1985, 2134, 3176, 3880, 3970, 4268, 4367, 5335, 7940, 8536, 8734, 10670, 15880, 17468, 21340, 21835, 34936, 38509, 42680, 43670, 77018, 87340, 154036, 174680, 192545, 308072, 385090, 423599, 770180, 847198, 1540360, 1694396, 2117995, 3388792, 4235990, 8471980, 16943960]

約数ペア:

[(1, 16943960), (2, 8471980), (4, 4235990), (5, 3388792), (8, 2117995), (10, 1694396), (11, 1540360), (20, 847198), (22, 770180), (40, 423599), (44, 385090), (55, 308072), (88, 192545), (97, 174680), (110, 154036), (194, 87340), (220, 77018), (388, 43670), (397, 42680), (440, 38509), (485, 34936), (776, 21835), (794, 21340), (970, 17468), (1067, 15880), (1588, 10670), (1940, 8734), (1985, 8536), (2134, 7940), (3176, 5335), (3880, 4367), (3970, 4268)]