30570520

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{7879}}^1$

素因数の和:7987

約数の個数: 32

約数和(自身を含む): 69501600

約数和(自身を除く): 38931080

約数列:

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

約数ペア:

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