66874760

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{20143}}^1$

素因数の和:20237

約数の個数: 32

約数和(自身を含む): 152288640

約数和(自身を除く): 85413880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 20143, 40286, 80572, 100715, 161144, 201430, 402860, 805720, 1671869, 3343738, 6687476, 8359345, 13374952, 16718690, 33437380, 66874760]

約数ペア:

[(1, 66874760), (2, 33437380), (4, 16718690), (5, 13374952), (8, 8359345), (10, 6687476), (20, 3343738), (40, 1671869), (83, 805720), (166, 402860), (332, 201430), (415, 161144), (664, 100715), (830, 80572), (1660, 40286), (3320, 20143)]