61141040

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{7879}}^1$

素因数の和:7989

約数の個数: 40

約数和(自身を含む): 143636640

約数和(自身を除く): 82495600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 3880, 7760, 7879, 15758, 31516, 39395, 63032, 78790, 126064, 157580, 315160, 630320, 764263, 1528526, 3057052, 3821315, 6114104, 7642630, 12228208, 15285260, 30570520, 61141040]

約数ペア:

[(1, 61141040), (2, 30570520), (4, 15285260), (5, 12228208), (8, 7642630), (10, 6114104), (16, 3821315), (20, 3057052), (40, 1528526), (80, 764263), (97, 630320), (194, 315160), (388, 157580), (485, 126064), (776, 78790), (970, 63032), (1552, 39395), (1940, 31516), (3880, 15758), (7760, 7879)]