205314080

素因数分解:

$2^5\times 5^1\times {\mathrm{97}}^1\times {\mathrm{13229}}^1$

素因数の和:13341

約数の個数: 48

約数和(自身を含む): 490092120

約数和(自身を除く): 284778040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 97, 160, 194, 388, 485, 776, 970, 1552, 1940, 3104, 3880, 7760, 13229, 15520, 26458, 52916, 66145, 105832, 132290, 211664, 264580, 423328, 529160, 1058320, 1283213, 2116640, 2566426, 5132852, 6416065, 10265704, 12832130, 20531408, 25664260, 41062816, 51328520, 102657040, 205314080]

約数ペア:

[(1, 205314080), (2, 102657040), (4, 51328520), (5, 41062816), (8, 25664260), (10, 20531408), (16, 12832130), (20, 10265704), (32, 6416065), (40, 5132852), (80, 2566426), (97, 2116640), (160, 1283213), (194, 1058320), (388, 529160), (485, 423328), (776, 264580), (970, 211664), (1552, 132290), (1940, 105832), (3104, 66145), (3880, 52916), (7760, 26458), (13229, 15520)]