81461270

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{269}}^1\times {\mathrm{2753}}^1$

素因数の和:3040

約数の個数: 32

約数和(自身を含む): 160613280

約数和(自身を除く): 79152010

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 269, 538, 1345, 2690, 2753, 2959, 5506, 5918, 13765, 14795, 27530, 29590, 30283, 60566, 151415, 302830, 740557, 1481114, 3702785, 7405570, 8146127, 16292254, 40730635, 81461270]

約数ペア:

[(1, 81461270), (2, 40730635), (5, 16292254), (10, 8146127), (11, 7405570), (22, 3702785), (55, 1481114), (110, 740557), (269, 302830), (538, 151415), (1345, 60566), (2690, 30283), (2753, 29590), (2959, 27530), (5506, 14795), (5918, 13765)]