8416780

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{6899}}^1$

素因数の和:6969

約数の個数: 24

約数和(自身を含む): 17967600

約数和(自身を除く): 9550820

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 6899, 13798, 27596, 34495, 68990, 137980, 420839, 841678, 1683356, 2104195, 4208390, 8416780]

約数ペア:

[(1, 8416780), (2, 4208390), (4, 2104195), (5, 1683356), (10, 841678), (20, 420839), (61, 137980), (122, 68990), (244, 34495), (305, 27596), (610, 13798), (1220, 6899)]