40818440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{78497}}^1$

素因数の和:78521

約数の個数: 32

約数和(自身を含む): 98907480

約数和(自身を除く): 58089040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 78497, 156994, 313988, 392485, 627976, 784970, 1020461, 1569940, 2040922, 3139880, 4081844, 5102305, 8163688, 10204610, 20409220, 40818440]

約数ペア:

[(1, 40818440), (2, 20409220), (4, 10204610), (5, 8163688), (8, 5102305), (10, 4081844), (13, 3139880), (20, 2040922), (26, 1569940), (40, 1020461), (52, 784970), (65, 627976), (104, 392485), (130, 313988), (260, 156994), (520, 78497)]