71085820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{2707}}^1$

素因数の和:2830

約数の個数: 48

約数和(自身を含む): 162415008

約数和(自身を除く): 91329188

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 101, 130, 202, 260, 404, 505, 1010, 1313, 2020, 2626, 2707, 5252, 5414, 6565, 10828, 13130, 13535, 26260, 27070, 35191, 54140, 70382, 140764, 175955, 273407, 351910, 546814, 703820, 1093628, 1367035, 2734070, 3554291, 5468140, 7108582, 14217164, 17771455, 35542910, 71085820]

約数ペア:

[(1, 71085820), (2, 35542910), (4, 17771455), (5, 14217164), (10, 7108582), (13, 5468140), (20, 3554291), (26, 2734070), (52, 1367035), (65, 1093628), (101, 703820), (130, 546814), (202, 351910), (260, 273407), (404, 175955), (505, 140764), (1010, 70382), (1313, 54140), (2020, 35191), (2626, 27070), (2707, 26260), (5252, 13535), (5414, 13130), (6565, 10828)]