80721264

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{129361}}^1$

素因数の和:129385

約数の個数: 40

約数和(自身を含む): 224572432

約数和(自身を除く): 143851168

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 129361, 258722, 388083, 517444, 776166, 1034888, 1552332, 1681693, 2069776, 3104664, 3363386, 5045079, 6209328, 6726772, 10090158, 13453544, 20180316, 26907088, 40360632, 80721264]

約数ペア:

[(1, 80721264), (2, 40360632), (3, 26907088), (4, 20180316), (6, 13453544), (8, 10090158), (12, 6726772), (13, 6209328), (16, 5045079), (24, 3363386), (26, 3104664), (39, 2069776), (48, 1681693), (52, 1552332), (78, 1034888), (104, 776166), (156, 517444), (208, 388083), (312, 258722), (624, 129361)]