8672980

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{7109}}^1$

素因数の和:7179

約数の個数: 24

約数和(自身を含む): 18514440

約数和(自身を除く): 9841460

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 7109, 14218, 28436, 35545, 71090, 142180, 433649, 867298, 1734596, 2168245, 4336490, 8672980]

約数ペア:

[(1, 8672980), (2, 4336490), (4, 2168245), (5, 1734596), (10, 867298), (20, 433649), (61, 142180), (122, 71090), (244, 35545), (305, 28436), (610, 14218), (1220, 7109)]