71296420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{619}}^1$

素因数の和:1084

約数の個数: 48

約数和(自身を含む): 161864640

約数和(自身を除く): 90568220

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 443, 619, 886, 1238, 1772, 2215, 2476, 3095, 4430, 5759, 6190, 8047, 8860, 11518, 12380, 16094, 23036, 28795, 32188, 40235, 57590, 80470, 115180, 160940, 274217, 548434, 1096868, 1371085, 2742170, 3564821, 5484340, 7129642, 14259284, 17824105, 35648210, 71296420]

約数ペア:

[(1, 71296420), (2, 35648210), (4, 17824105), (5, 14259284), (10, 7129642), (13, 5484340), (20, 3564821), (26, 2742170), (52, 1371085), (65, 1096868), (130, 548434), (260, 274217), (443, 160940), (619, 115180), (886, 80470), (1238, 57590), (1772, 40235), (2215, 32188), (2476, 28795), (3095, 23036), (4430, 16094), (5759, 12380), (6190, 11518), (8047, 8860)]