22513660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{661}}^1$

素因数の和:814

約数の個数: 48

約数和(自身を含む): 51381792

約数和(自身を除く): 28868132

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 131, 260, 262, 524, 655, 661, 1310, 1322, 1703, 2620, 2644, 3305, 3406, 6610, 6812, 8515, 8593, 13220, 17030, 17186, 34060, 34372, 42965, 85930, 86591, 171860, 173182, 346364, 432955, 865910, 1125683, 1731820, 2251366, 4502732, 5628415, 11256830, 22513660]

約数ペア:

[(1, 22513660), (2, 11256830), (4, 5628415), (5, 4502732), (10, 2251366), (13, 1731820), (20, 1125683), (26, 865910), (52, 432955), (65, 346364), (130, 173182), (131, 171860), (260, 86591), (262, 85930), (524, 42965), (655, 34372), (661, 34060), (1310, 17186), (1322, 17030), (1703, 13220), (2620, 8593), (2644, 8515), (3305, 6812), (3406, 6610)]