26756480

素因数分解:

$2^7\times 5^1\times {\mathrm{97}}^1\times {\mathrm{431}}^1$

素因数の和:547

約数の個数: 64

約数和(自身を含む): 64774080

約数和(自身を除く): 38017600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 97, 128, 160, 194, 320, 388, 431, 485, 640, 776, 862, 970, 1552, 1724, 1940, 2155, 3104, 3448, 3880, 4310, 6208, 6896, 7760, 8620, 12416, 13792, 15520, 17240, 27584, 31040, 34480, 41807, 55168, 62080, 68960, 83614, 137920, 167228, 209035, 275840, 334456, 418070, 668912, 836140, 1337824, 1672280, 2675648, 3344560, 5351296, 6689120, 13378240, 26756480]

約数ペア:

[(1, 26756480), (2, 13378240), (4, 6689120), (5, 5351296), (8, 3344560), (10, 2675648), (16, 1672280), (20, 1337824), (32, 836140), (40, 668912), (64, 418070), (80, 334456), (97, 275840), (128, 209035), (160, 167228), (194, 137920), (320, 83614), (388, 68960), (431, 62080), (485, 55168), (640, 41807), (776, 34480), (862, 31040), (970, 27584), (1552, 17240), (1724, 15520), (1940, 13792), (2155, 12416), (3104, 8620), (3448, 7760), (3880, 6896), (4310, 6208)]