87252040

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{24509}}^1$

素因数の和:24609

約数の個数: 32

約数和(自身を含む): 198531000

約数和(自身を除く): 111278960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 24509, 49018, 98036, 122545, 196072, 245090, 490180, 980360, 2181301, 4362602, 8725204, 10906505, 17450408, 21813010, 43626020, 87252040]

約数ペア:

[(1, 87252040), (2, 43626020), (4, 21813010), (5, 17450408), (8, 10906505), (10, 8725204), (20, 4362602), (40, 2181301), (89, 980360), (178, 490180), (356, 245090), (445, 196072), (712, 122545), (890, 98036), (1780, 49018), (3560, 24509)]