213317240

素因数分解:

$2^3\times 5^1\times {\mathrm{1601}}^1\times {\mathrm{3331}}^1$

素因数の和:4943

約数の個数: 32

約数和(自身を含む): 480407760

約数和(自身を除く): 267090520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1601, 3202, 3331, 6404, 6662, 8005, 12808, 13324, 16010, 16655, 26648, 32020, 33310, 64040, 66620, 133240, 5332931, 10665862, 21331724, 26664655, 42663448, 53329310, 106658620, 213317240]

約数ペア:

[(1, 213317240), (2, 106658620), (4, 53329310), (5, 42663448), (8, 26664655), (10, 21331724), (20, 10665862), (40, 5332931), (1601, 133240), (3202, 66620), (3331, 64040), (6404, 33310), (6662, 32020), (8005, 26648), (12808, 16655), (13324, 16010)]