55978900

素因数分解:

$2^2\times 5^2\times {\mathrm{269}}^1\times {\mathrm{2081}}^1$

素因数の和:2364

約数の個数: 36

約数和(自身を含む): 121984380

約数和(自身を除く): 66005480

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 269, 538, 1076, 1345, 2081, 2690, 4162, 5380, 6725, 8324, 10405, 13450, 20810, 26900, 41620, 52025, 104050, 208100, 559789, 1119578, 2239156, 2798945, 5597890, 11195780, 13994725, 27989450, 55978900]

約数ペア:

[(1, 55978900), (2, 27989450), (4, 13994725), (5, 11195780), (10, 5597890), (20, 2798945), (25, 2239156), (50, 1119578), (100, 559789), (269, 208100), (538, 104050), (1076, 52025), (1345, 41620), (2081, 26900), (2690, 20810), (4162, 13450), (5380, 10405), (6725, 8324)]