8982920

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{3163}}^1$

素因数の和:3245

約数の個数: 32

約数和(自身を含む): 20502720

約数和(自身を除く): 11519800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 3163, 6326, 12652, 15815, 25304, 31630, 63260, 126520, 224573, 449146, 898292, 1122865, 1796584, 2245730, 4491460, 8982920]

約数ペア:

[(1, 8982920), (2, 4491460), (4, 2245730), (5, 1796584), (8, 1122865), (10, 898292), (20, 449146), (40, 224573), (71, 126520), (142, 63260), (284, 31630), (355, 25304), (568, 15815), (710, 12652), (1420, 6326), (2840, 3163)]