8761040

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1129}}^1$

素因数の和:1239

約数の個数: 40

約数和(自身を含む): 20597640

約数和(自身を除く): 11836600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1129, 1552, 1940, 2258, 3880, 4516, 5645, 7760, 9032, 11290, 18064, 22580, 45160, 90320, 109513, 219026, 438052, 547565, 876104, 1095130, 1752208, 2190260, 4380520, 8761040]

約数ペア:

[(1, 8761040), (2, 4380520), (4, 2190260), (5, 1752208), (8, 1095130), (10, 876104), (16, 547565), (20, 438052), (40, 219026), (80, 109513), (97, 90320), (194, 45160), (388, 22580), (485, 18064), (776, 11290), (970, 9032), (1129, 7760), (1552, 5645), (1940, 4516), (2258, 3880)]