28303960

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{4507}}^1$

素因数の和:4675

約数の個数: 32

約数和(自身を含む): 64103760

約数和(自身を除く): 35799800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3140, 4507, 6280, 9014, 18028, 22535, 36056, 45070, 90140, 180280, 707599, 1415198, 2830396, 3537995, 5660792, 7075990, 14151980, 28303960]

約数ペア:

[(1, 28303960), (2, 14151980), (4, 7075990), (5, 5660792), (8, 3537995), (10, 2830396), (20, 1415198), (40, 707599), (157, 180280), (314, 90140), (628, 45070), (785, 36056), (1256, 22535), (1570, 18028), (3140, 9014), (4507, 6280)]