64392020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41813}}^1$

素因数の和:41840

約数の個数: 48

約数和(自身を含む): 168594048

約数和(自身を除く): 104202028

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 41813, 83626, 167252, 209065, 292691, 418130, 459943, 585382, 836260, 919886, 1170764, 1463455, 1839772, 2299715, 2926910, 3219601, 4599430, 5853820, 6439202, 9198860, 12878404, 16098005, 32196010, 64392020]

約数ペア:

[(1, 64392020), (2, 32196010), (4, 16098005), (5, 12878404), (7, 9198860), (10, 6439202), (11, 5853820), (14, 4599430), (20, 3219601), (22, 2926910), (28, 2299715), (35, 1839772), (44, 1463455), (55, 1170764), (70, 919886), (77, 836260), (110, 585382), (140, 459943), (154, 418130), (220, 292691), (308, 209065), (385, 167252), (770, 83626), (1540, 41813)]