161184340

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{1091}}^1$

素因数の和:1272

約数の個数: 48

約数和(自身を含む): 346731840

約数和(自身を除く): 185547500

約数列:

[1, 2, 4, 5, 10, 20, 83, 89, 166, 178, 332, 356, 415, 445, 830, 890, 1091, 1660, 1780, 2182, 4364, 5455, 7387, 10910, 14774, 21820, 29548, 36935, 73870, 90553, 97099, 147740, 181106, 194198, 362212, 388396, 452765, 485495, 905530, 970990, 1811060, 1941980, 8059217, 16118434, 32236868, 40296085, 80592170, 161184340]

約数ペア:

[(1, 161184340), (2, 80592170), (4, 40296085), (5, 32236868), (10, 16118434), (20, 8059217), (83, 1941980), (89, 1811060), (166, 970990), (178, 905530), (332, 485495), (356, 452765), (415, 388396), (445, 362212), (830, 194198), (890, 181106), (1091, 147740), (1660, 97099), (1780, 90553), (2182, 73870), (4364, 36935), (5455, 29548), (7387, 21820), (10910, 14774)]