159426280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{306589}}^1$

素因数の和:306613

約数の個数: 32

約数和(自身を含む): 386303400

約数和(自身を除く): 226877120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 306589, 613178, 1226356, 1532945, 2452712, 3065890, 3985657, 6131780, 7971314, 12263560, 15942628, 19928285, 31885256, 39856570, 79713140, 159426280]

約数ペア:

[(1, 159426280), (2, 79713140), (4, 39856570), (5, 31885256), (8, 19928285), (10, 15942628), (13, 12263560), (20, 7971314), (26, 6131780), (40, 3985657), (52, 3065890), (65, 2452712), (104, 1532945), (130, 1226356), (260, 613178), (520, 306589)]