71823440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{69061}}^1$

素因数の和:69087

約数の個数: 40

約数和(自身を含む): 179837448

約数和(自身を除く): 108014008

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 69061, 138122, 276244, 345305, 552488, 690610, 897793, 1104976, 1381220, 1795586, 2762440, 3591172, 4488965, 5524880, 7182344, 8977930, 14364688, 17955860, 35911720, 71823440]

約数ペア:

[(1, 71823440), (2, 35911720), (4, 17955860), (5, 14364688), (8, 8977930), (10, 7182344), (13, 5524880), (16, 4488965), (20, 3591172), (26, 2762440), (40, 1795586), (52, 1381220), (65, 1104976), (80, 897793), (104, 690610), (130, 552488), (208, 345305), (260, 276244), (520, 138122), (1040, 69061)]