6399320

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1019}}^1$

素因数の和:1187

約数の個数: 32

約数和(自身を含む): 14504400

約数和(自身を除く): 8105080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1019, 1256, 1570, 2038, 3140, 4076, 5095, 6280, 8152, 10190, 20380, 40760, 159983, 319966, 639932, 799915, 1279864, 1599830, 3199660, 6399320]

約数ペア:

[(1, 6399320), (2, 3199660), (4, 1599830), (5, 1279864), (8, 799915), (10, 639932), (20, 319966), (40, 159983), (157, 40760), (314, 20380), (628, 10190), (785, 8152), (1019, 6280), (1256, 5095), (1570, 4076), (2038, 3140)]