6601820

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:230

約数の個数: 48

約数和(自身を含む): 14521248

約数和(自身を除く): 7919428

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 83, 97, 164, 166, 194, 205, 332, 388, 410, 415, 485, 820, 830, 970, 1660, 1940, 3403, 3977, 6806, 7954, 8051, 13612, 15908, 16102, 17015, 19885, 32204, 34030, 39770, 40255, 68060, 79540, 80510, 161020, 330091, 660182, 1320364, 1650455, 3300910, 6601820]

約数ペア:

[(1, 6601820), (2, 3300910), (4, 1650455), (5, 1320364), (10, 660182), (20, 330091), (41, 161020), (82, 80510), (83, 79540), (97, 68060), (164, 40255), (166, 39770), (194, 34030), (205, 32204), (332, 19885), (388, 17015), (410, 16102), (415, 15908), (485, 13612), (820, 8051), (830, 7954), (970, 6806), (1660, 3977), (1940, 3403)]