87016040

素因数分解:

$2^3\times 5^1\times {\mathrm{809}}^1\times {\mathrm{2689}}^1$

素因数の和:3509

約数の個数: 32

約数和(自身を含む): 196101000

約数和(自身を除く): 109084960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 809, 1618, 2689, 3236, 4045, 5378, 6472, 8090, 10756, 13445, 16180, 21512, 26890, 32360, 53780, 107560, 2175401, 4350802, 8701604, 10877005, 17403208, 21754010, 43508020, 87016040]

約数ペア:

[(1, 87016040), (2, 43508020), (4, 21754010), (5, 17403208), (8, 10877005), (10, 8701604), (20, 4350802), (40, 2175401), (809, 107560), (1618, 53780), (2689, 32360), (3236, 26890), (4045, 21512), (5378, 16180), (6472, 13445), (8090, 10756)]