18080800

素因数分解:

$2^5\times 5^2\times {\mathrm{97}}^1\times {\mathrm{233}}^1$

素因数の和:350

約数の個数: 72

約数和(自身を含む): 44786196

約数和(自身を除く): 26705396

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 97, 100, 160, 194, 200, 233, 388, 400, 466, 485, 776, 800, 932, 970, 1165, 1552, 1864, 1940, 2330, 2425, 3104, 3728, 3880, 4660, 4850, 5825, 7456, 7760, 9320, 9700, 11650, 15520, 18640, 19400, 22601, 23300, 37280, 38800, 45202, 46600, 77600, 90404, 93200, 113005, 180808, 186400, 226010, 361616, 452020, 565025, 723232, 904040, 1130050, 1808080, 2260100, 3616160, 4520200, 9040400, 18080800]

約数ペア:

[(1, 18080800), (2, 9040400), (4, 4520200), (5, 3616160), (8, 2260100), (10, 1808080), (16, 1130050), (20, 904040), (25, 723232), (32, 565025), (40, 452020), (50, 361616), (80, 226010), (97, 186400), (100, 180808), (160, 113005), (194, 93200), (200, 90404), (233, 77600), (388, 46600), (400, 45202), (466, 38800), (485, 37280), (776, 23300), (800, 22601), (932, 19400), (970, 18640), (1165, 15520), (1552, 11650), (1864, 9700), (1940, 9320), (2330, 7760), (2425, 7456), (3104, 5825), (3728, 4850), (3880, 4660)]