38453960

素因数分解:

$2^3\times 5^1\times {\mathrm{241}}^1\times {\mathrm{3989}}^1$

素因数の和:4241

約数の個数: 32

約数和(自身を含む): 86902200

約数和(自身を除く): 48448240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 241, 482, 964, 1205, 1928, 2410, 3989, 4820, 7978, 9640, 15956, 19945, 31912, 39890, 79780, 159560, 961349, 1922698, 3845396, 4806745, 7690792, 9613490, 19226980, 38453960]

約数ペア:

[(1, 38453960), (2, 19226980), (4, 9613490), (5, 7690792), (8, 4806745), (10, 3845396), (20, 1922698), (40, 961349), (241, 159560), (482, 79780), (964, 39890), (1205, 31912), (1928, 19945), (2410, 15956), (3989, 9640), (4820, 7978)]