128527720

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{16823}}^1$

素因数の和:17025

約数の個数: 32

約数和(自身を含む): 290718720

約数和(自身を除く): 162191000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 1528, 1910, 3820, 7640, 16823, 33646, 67292, 84115, 134584, 168230, 336460, 672920, 3213193, 6426386, 12852772, 16065965, 25705544, 32131930, 64263860, 128527720]

約数ペア:

[(1, 128527720), (2, 64263860), (4, 32131930), (5, 25705544), (8, 16065965), (10, 12852772), (20, 6426386), (40, 3213193), (191, 672920), (382, 336460), (764, 168230), (955, 134584), (1528, 84115), (1910, 67292), (3820, 33646), (7640, 16823)]