1280493940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{56509}}^1$

素因数の和:56632

約数の個数: 48

約数和(自身を含む): 2962028160

約数和(自身を除く): 1681534220

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 103, 110, 206, 220, 412, 515, 1030, 1133, 2060, 2266, 4532, 5665, 11330, 22660, 56509, 113018, 226036, 282545, 565090, 621599, 1130180, 1243198, 2486396, 3107995, 5820427, 6215990, 11640854, 12431980, 23281708, 29102135, 58204270, 64024697, 116408540, 128049394, 256098788, 320123485, 640246970, 1280493940]

約数ペア:

[(1, 1280493940), (2, 640246970), (4, 320123485), (5, 256098788), (10, 128049394), (11, 116408540), (20, 64024697), (22, 58204270), (44, 29102135), (55, 23281708), (103, 12431980), (110, 11640854), (206, 6215990), (220, 5820427), (412, 3107995), (515, 2486396), (1030, 1243198), (1133, 1130180), (2060, 621599), (2266, 565090), (4532, 282545), (5665, 226036), (11330, 113018), (22660, 56509)]