16560440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31847}}^1$

素因数の和:31871

約数の個数: 32

約数和(自身を含む): 40128480

約数和(自身を除く): 23568040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 31847, 63694, 127388, 159235, 254776, 318470, 414011, 636940, 828022, 1273880, 1656044, 2070055, 3312088, 4140110, 8280220, 16560440]

約数ペア:

[(1, 16560440), (2, 8280220), (4, 4140110), (5, 3312088), (8, 2070055), (10, 1656044), (13, 1273880), (20, 828022), (26, 636940), (40, 414011), (52, 318470), (65, 254776), (104, 159235), (130, 127388), (260, 63694), (520, 31847)]