80980328

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{997}}^1$

素因数の和:1098

約数の個数: 64

約数和(自身を含む): 181077120

約数和(自身を除く): 100096792

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 71, 88, 104, 142, 143, 284, 286, 568, 572, 781, 923, 997, 1144, 1562, 1846, 1994, 3124, 3692, 3988, 6248, 7384, 7976, 10153, 10967, 12961, 20306, 21934, 25922, 40612, 43868, 51844, 70787, 81224, 87736, 103688, 141574, 142571, 283148, 285142, 566296, 570284, 778657, 920231, 1140568, 1557314, 1840462, 3114628, 3680924, 6229256, 7361848, 10122541, 20245082, 40490164, 80980328]

約数ペア:

[(1, 80980328), (2, 40490164), (4, 20245082), (8, 10122541), (11, 7361848), (13, 6229256), (22, 3680924), (26, 3114628), (44, 1840462), (52, 1557314), (71, 1140568), (88, 920231), (104, 778657), (142, 570284), (143, 566296), (284, 285142), (286, 283148), (568, 142571), (572, 141574), (781, 103688), (923, 87736), (997, 81224), (1144, 70787), (1562, 51844), (1846, 43868), (1994, 40612), (3124, 25922), (3692, 21934), (3988, 20306), (6248, 12961), (7384, 10967), (7976, 10153)]