30994360

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{18899}}^1$

素因数の和:18951

約数の個数: 32

約数和(自身を含む): 71442000

約数和(自身を除く): 40447640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 18899, 37798, 75596, 94495, 151192, 188990, 377980, 755960, 774859, 1549718, 3099436, 3874295, 6198872, 7748590, 15497180, 30994360]

約数ペア:

[(1, 30994360), (2, 15497180), (4, 7748590), (5, 6198872), (8, 3874295), (10, 3099436), (20, 1549718), (40, 774859), (41, 755960), (82, 377980), (164, 188990), (205, 151192), (328, 94495), (410, 75596), (820, 37798), (1640, 18899)]