61264040

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{17209}}^1$

素因数の和:17309

約数の個数: 32

約数和(自身を含む): 139401000

約数和(自身を除く): 78136960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 17209, 34418, 68836, 86045, 137672, 172090, 344180, 688360, 1531601, 3063202, 6126404, 7658005, 12252808, 15316010, 30632020, 61264040]

約数ペア:

[(1, 61264040), (2, 30632020), (4, 15316010), (5, 12252808), (8, 7658005), (10, 6126404), (20, 3063202), (40, 1531601), (89, 688360), (178, 344180), (356, 172090), (445, 137672), (712, 86045), (890, 68836), (1780, 34418), (3560, 17209)]