8449720

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{3463}}^1$

素因数の和:3535

約数の個数: 32

約数和(自身を含む): 19329120

約数和(自身を除く): 10879400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 3463, 6926, 13852, 17315, 27704, 34630, 69260, 138520, 211243, 422486, 844972, 1056215, 1689944, 2112430, 4224860, 8449720]

約数ペア:

[(1, 8449720), (2, 4224860), (4, 2112430), (5, 1689944), (8, 1056215), (10, 844972), (20, 422486), (40, 211243), (61, 138520), (122, 69260), (244, 34630), (305, 27704), (488, 17315), (610, 13852), (1220, 6926), (2440, 3463)]