67121840

素因数分解:

$2^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{4259}}^1$

素因数の和:4469

約数の個数: 40

約数和(自身を含む): 156887280

約数和(自身を除く): 89765440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 197, 394, 788, 985, 1576, 1970, 3152, 3940, 4259, 7880, 8518, 15760, 17036, 21295, 34072, 42590, 68144, 85180, 170360, 340720, 839023, 1678046, 3356092, 4195115, 6712184, 8390230, 13424368, 16780460, 33560920, 67121840]

約数ペア:

[(1, 67121840), (2, 33560920), (4, 16780460), (5, 13424368), (8, 8390230), (10, 6712184), (16, 4195115), (20, 3356092), (40, 1678046), (80, 839023), (197, 340720), (394, 170360), (788, 85180), (985, 68144), (1576, 42590), (1970, 34072), (3152, 21295), (3940, 17036), (4259, 15760), (7880, 8518)]