80991576

素因数分解:

$2^3\times 3^4\times {\mathrm{124987}}^1$

素因数の和:125005

約数の個数: 40

約数和(自身を含む): 226853220

約数和(自身を除く): 145861644

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 124987, 249974, 374961, 499948, 749922, 999896, 1124883, 1499844, 2249766, 2999688, 3374649, 4499532, 6749298, 8999064, 10123947, 13498596, 20247894, 26997192, 40495788, 80991576]

約数ペア:

[(1, 80991576), (2, 40495788), (3, 26997192), (4, 20247894), (6, 13498596), (8, 10123947), (9, 8999064), (12, 6749298), (18, 4499532), (24, 3374649), (27, 2999688), (36, 2249766), (54, 1499844), (72, 1124883), (81, 999896), (108, 749922), (162, 499948), (216, 374961), (324, 249974), (648, 124987)]