1296156940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1471}}^1\times {\mathrm{3389}}^1$

素因数の和:4882

約数の個数: 48

約数和(自身を含む): 2934167040

約数和(自身を除く): 1638010100

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1471, 2942, 3389, 5884, 6778, 7355, 13556, 14710, 16945, 19123, 29420, 33890, 38246, 44057, 67780, 76492, 88114, 95615, 176228, 191230, 220285, 382460, 440570, 881140, 4985219, 9970438, 19940876, 24926095, 49852190, 64807847, 99704380, 129615694, 259231388, 324039235, 648078470, 1296156940]

約数ペア:

[(1, 1296156940), (2, 648078470), (4, 324039235), (5, 259231388), (10, 129615694), (13, 99704380), (20, 64807847), (26, 49852190), (52, 24926095), (65, 19940876), (130, 9970438), (260, 4985219), (1471, 881140), (2942, 440570), (3389, 382460), (5884, 220285), (6778, 191230), (7355, 176228), (13556, 95615), (14710, 88114), (16945, 76492), (19123, 67780), (29420, 44057), (33890, 38246)]