12584780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{499}}^1$

素因数の和:618

約数の個数: 48

約数和(自身を含む): 28812000

約数和(自身を除く): 16227220

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 97, 130, 194, 260, 388, 485, 499, 970, 998, 1261, 1940, 1996, 2495, 2522, 4990, 5044, 6305, 6487, 9980, 12610, 12974, 25220, 25948, 32435, 48403, 64870, 96806, 129740, 193612, 242015, 484030, 629239, 968060, 1258478, 2516956, 3146195, 6292390, 12584780]

約数ペア:

[(1, 12584780), (2, 6292390), (4, 3146195), (5, 2516956), (10, 1258478), (13, 968060), (20, 629239), (26, 484030), (52, 242015), (65, 193612), (97, 129740), (130, 96806), (194, 64870), (260, 48403), (388, 32435), (485, 25948), (499, 25220), (970, 12974), (998, 12610), (1261, 9980), (1940, 6487), (1996, 6305), (2495, 5044), (2522, 4990)]