27806020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{1303}}^1$

素因数の和:1420

約数の個数: 48

約数和(自身を含む): 64407168

約数和(自身を除く): 36601148

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 97, 110, 194, 220, 388, 485, 970, 1067, 1303, 1940, 2134, 2606, 4268, 5212, 5335, 6515, 10670, 13030, 14333, 21340, 26060, 28666, 57332, 71665, 126391, 143330, 252782, 286660, 505564, 631955, 1263910, 1390301, 2527820, 2780602, 5561204, 6951505, 13903010, 27806020]

約数ペア:

[(1, 27806020), (2, 13903010), (4, 6951505), (5, 5561204), (10, 2780602), (11, 2527820), (20, 1390301), (22, 1263910), (44, 631955), (55, 505564), (97, 286660), (110, 252782), (194, 143330), (220, 126391), (388, 71665), (485, 57332), (970, 28666), (1067, 26060), (1303, 21340), (1940, 14333), (2134, 13030), (2606, 10670), (4268, 6515), (5212, 5335)]