2167960

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{653}}^1$

素因数の和:747

約数の個数: 32

約数和(自身を含む): 4944240

約数和(自身を除く): 2776280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 653, 664, 830, 1306, 1660, 2612, 3265, 3320, 5224, 6530, 13060, 26120, 54199, 108398, 216796, 270995, 433592, 541990, 1083980, 2167960]

約数ペア:

[(1, 2167960), (2, 1083980), (4, 541990), (5, 433592), (8, 270995), (10, 216796), (20, 108398), (40, 54199), (83, 26120), (166, 13060), (332, 6530), (415, 5224), (653, 3320), (664, 3265), (830, 2612), (1306, 1660)]