31266680

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{7589}}^1$

素因数の和:7703

約数の個数: 32

約数和(自身を含む): 71042400

約数和(自身を除く): 39775720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 7589, 15178, 30356, 37945, 60712, 75890, 151780, 303560, 781667, 1563334, 3126668, 3908335, 6253336, 7816670, 15633340, 31266680]

約数ペア:

[(1, 31266680), (2, 15633340), (4, 7816670), (5, 6253336), (8, 3908335), (10, 3126668), (20, 1563334), (40, 781667), (103, 303560), (206, 151780), (412, 75890), (515, 60712), (824, 37945), (1030, 30356), (2060, 15178), (4120, 7589)]