71655440

素因数分解:

$2^4\times 5^1\times {\mathrm{619}}^1\times {\mathrm{1447}}^1$

素因数の和:2079

約数の個数: 40

約数和(自身を含む): 166983360

約数和(自身を除く): 95327920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 619, 1238, 1447, 2476, 2894, 3095, 4952, 5788, 6190, 7235, 9904, 11576, 12380, 14470, 23152, 24760, 28940, 49520, 57880, 115760, 895693, 1791386, 3582772, 4478465, 7165544, 8956930, 14331088, 17913860, 35827720, 71655440]

約数ペア:

[(1, 71655440), (2, 35827720), (4, 17913860), (5, 14331088), (8, 8956930), (10, 7165544), (16, 4478465), (20, 3582772), (40, 1791386), (80, 895693), (619, 115760), (1238, 57880), (1447, 49520), (2476, 28940), (2894, 24760), (3095, 23152), (4952, 14470), (5788, 12380), (6190, 11576), (7235, 9904)]