27973660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{9781}}^1$

素因数の和:9814

約数の個数: 48

約数和(自身を含む): 69021792

約数和(自身を除く): 41048132

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 9781, 19562, 39124, 48905, 97810, 107591, 127153, 195620, 215182, 254306, 430364, 508612, 537955, 635765, 1075910, 1271530, 1398683, 2151820, 2543060, 2797366, 5594732, 6993415, 13986830, 27973660]

約数ペア:

[(1, 27973660), (2, 13986830), (4, 6993415), (5, 5594732), (10, 2797366), (11, 2543060), (13, 2151820), (20, 1398683), (22, 1271530), (26, 1075910), (44, 635765), (52, 537955), (55, 508612), (65, 430364), (110, 254306), (130, 215182), (143, 195620), (220, 127153), (260, 107591), (286, 97810), (572, 48905), (715, 39124), (1430, 19562), (2860, 9781)]