8889791380

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{659}}^1\times {\mathrm{16451}}^1$

素因数の和:17160

約数の個数: 48

約数和(自身を含む): 19154076480

約数和(自身を除く): 10264285100

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 659, 820, 1318, 2636, 3295, 6590, 13180, 16451, 27019, 32902, 54038, 65804, 82255, 108076, 135095, 164510, 270190, 329020, 540380, 674491, 1348982, 2697964, 3372455, 6744910, 10841209, 13489820, 21682418, 43364836, 54206045, 108412090, 216824180, 444489569, 888979138, 1777958276, 2222447845, 4444895690, 8889791380]

約数ペア:

[(1, 8889791380), (2, 4444895690), (4, 2222447845), (5, 1777958276), (10, 888979138), (20, 444489569), (41, 216824180), (82, 108412090), (164, 54206045), (205, 43364836), (410, 21682418), (659, 13489820), (820, 10841209), (1318, 6744910), (2636, 3372455), (3295, 2697964), (6590, 1348982), (13180, 674491), (16451, 540380), (27019, 329020), (32902, 270190), (54038, 164510), (65804, 135095), (82255, 108076)]