87749440

素因数分解:

$2^6\times 5^1\times {\mathrm{443}}^1\times {\mathrm{619}}^1$

素因数の和:1079

約数の個数: 56

約数和(自身を含む): 209763360

約数和(自身を除く): 122013920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 443, 619, 886, 1238, 1772, 2215, 2476, 3095, 3544, 4430, 4952, 6190, 7088, 8860, 9904, 12380, 14176, 17720, 19808, 24760, 28352, 35440, 39616, 49520, 70880, 99040, 141760, 198080, 274217, 548434, 1096868, 1371085, 2193736, 2742170, 4387472, 5484340, 8774944, 10968680, 17549888, 21937360, 43874720, 87749440]

約数ペア:

[(1, 87749440), (2, 43874720), (4, 21937360), (5, 17549888), (8, 10968680), (10, 8774944), (16, 5484340), (20, 4387472), (32, 2742170), (40, 2193736), (64, 1371085), (80, 1096868), (160, 548434), (320, 274217), (443, 198080), (619, 141760), (886, 99040), (1238, 70880), (1772, 49520), (2215, 39616), (2476, 35440), (3095, 28352), (3544, 24760), (4430, 19808), (4952, 17720), (6190, 14176), (7088, 12380), (8860, 9904)]