10157320

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1289}}^1$

素因数の和:1497

約数の個数: 32

約数和(自身を含む): 22987800

約数和(自身を除く): 12830480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1289, 1576, 1970, 2578, 3940, 5156, 6445, 7880, 10312, 12890, 25780, 51560, 253933, 507866, 1015732, 1269665, 2031464, 2539330, 5078660, 10157320]

約数ペア:

[(1, 10157320), (2, 5078660), (4, 2539330), (5, 2031464), (8, 1269665), (10, 1015732), (20, 507866), (40, 253933), (197, 51560), (394, 25780), (788, 12890), (985, 10312), (1289, 7880), (1576, 6445), (1970, 5156), (2578, 3940)]