17491120

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1669}}^1$

素因数の和:1813

約数の個数: 40

約数和(自身を含む): 41001840

約数和(自身を除く): 23510720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 524, 655, 1048, 1310, 1669, 2096, 2620, 3338, 5240, 6676, 8345, 10480, 13352, 16690, 26704, 33380, 66760, 133520, 218639, 437278, 874556, 1093195, 1749112, 2186390, 3498224, 4372780, 8745560, 17491120]

約数ペア:

[(1, 17491120), (2, 8745560), (4, 4372780), (5, 3498224), (8, 2186390), (10, 1749112), (16, 1093195), (20, 874556), (40, 437278), (80, 218639), (131, 133520), (262, 66760), (524, 33380), (655, 26704), (1048, 16690), (1310, 13352), (1669, 10480), (2096, 8345), (2620, 6676), (3338, 5240)]