66078920

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{15439}}^1$

素因数の和:15557

約数の個数: 32

約数和(自身を含む): 150076800

約数和(自身を除く): 83997880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280, 15439, 30878, 61756, 77195, 123512, 154390, 308780, 617560, 1651973, 3303946, 6607892, 8259865, 13215784, 16519730, 33039460, 66078920]

約数ペア:

[(1, 66078920), (2, 33039460), (4, 16519730), (5, 13215784), (8, 8259865), (10, 6607892), (20, 3303946), (40, 1651973), (107, 617560), (214, 308780), (428, 154390), (535, 123512), (856, 77195), (1070, 61756), (2140, 30878), (4280, 15439)]