68240800

素因数分解:

$2^5\times 5^2\times {\mathrm{197}}^1\times {\mathrm{433}}^1$

素因数の和:650

約数の個数: 72

約数和(自身を含む): 167825196

約数和(自身を除く): 99584396

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 197, 200, 394, 400, 433, 788, 800, 866, 985, 1576, 1732, 1970, 2165, 3152, 3464, 3940, 4330, 4925, 6304, 6928, 7880, 8660, 9850, 10825, 13856, 15760, 17320, 19700, 21650, 31520, 34640, 39400, 43300, 69280, 78800, 85301, 86600, 157600, 170602, 173200, 341204, 346400, 426505, 682408, 853010, 1364816, 1706020, 2132525, 2729632, 3412040, 4265050, 6824080, 8530100, 13648160, 17060200, 34120400, 68240800]

約数ペア:

[(1, 68240800), (2, 34120400), (4, 17060200), (5, 13648160), (8, 8530100), (10, 6824080), (16, 4265050), (20, 3412040), (25, 2729632), (32, 2132525), (40, 1706020), (50, 1364816), (80, 853010), (100, 682408), (160, 426505), (197, 346400), (200, 341204), (394, 173200), (400, 170602), (433, 157600), (788, 86600), (800, 85301), (866, 78800), (985, 69280), (1576, 43300), (1732, 39400), (1970, 34640), (2165, 31520), (3152, 21650), (3464, 19700), (3940, 17320), (4330, 15760), (4925, 13856), (6304, 10825), (6928, 9850), (7880, 8660)]