39670760

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{6317}}^1$

素因数の和:6485

約数の個数: 32

約数和(自身を含む): 89841960

約数和(自身を除く): 50171200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3140, 6280, 6317, 12634, 25268, 31585, 50536, 63170, 126340, 252680, 991769, 1983538, 3967076, 4958845, 7934152, 9917690, 19835380, 39670760]

約数ペア:

[(1, 39670760), (2, 19835380), (4, 9917690), (5, 7934152), (8, 4958845), (10, 3967076), (20, 1983538), (40, 991769), (157, 252680), (314, 126340), (628, 63170), (785, 50536), (1256, 31585), (1570, 25268), (3140, 12634), (6280, 6317)]