102018920

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{28657}}^1$

素因数の和:28757

約数の個数: 32

約数和(自身を含む): 232129800

約数和(自身を除く): 130110880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 28657, 57314, 114628, 143285, 229256, 286570, 573140, 1146280, 2550473, 5100946, 10201892, 12752365, 20403784, 25504730, 51009460, 102018920]

約数ペア:

[(1, 102018920), (2, 51009460), (4, 25504730), (5, 20403784), (8, 12752365), (10, 10201892), (20, 5100946), (40, 2550473), (89, 1146280), (178, 573140), (356, 286570), (445, 229256), (712, 143285), (890, 114628), (1780, 57314), (3560, 28657)]