13378240

素因数分解:

$2^6\times 5^1\times {\mathrm{97}}^1\times {\mathrm{431}}^1$

素因数の和:545

約数の個数: 56

約数和(自身を含む): 32260032

約数和(自身を除く): 18881792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 97, 160, 194, 320, 388, 431, 485, 776, 862, 970, 1552, 1724, 1940, 2155, 3104, 3448, 3880, 4310, 6208, 6896, 7760, 8620, 13792, 15520, 17240, 27584, 31040, 34480, 41807, 68960, 83614, 137920, 167228, 209035, 334456, 418070, 668912, 836140, 1337824, 1672280, 2675648, 3344560, 6689120, 13378240]

約数ペア:

[(1, 13378240), (2, 6689120), (4, 3344560), (5, 2675648), (8, 1672280), (10, 1337824), (16, 836140), (20, 668912), (32, 418070), (40, 334456), (64, 209035), (80, 167228), (97, 137920), (160, 83614), (194, 68960), (320, 41807), (388, 34480), (431, 31040), (485, 27584), (776, 17240), (862, 15520), (970, 13792), (1552, 8620), (1724, 7760), (1940, 6896), (2155, 6208), (3104, 4310), (3448, 3880)]