71234560

素因数分解:

$2^{10}\times 5^1\times {\mathrm{13913}}^1$

素因数の和:13938

約数の個数: 44

約数和(自身を含む): 170891748

約数和(自身を除く): 99657188

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 5120, 13913, 27826, 55652, 69565, 111304, 139130, 222608, 278260, 445216, 556520, 890432, 1113040, 1780864, 2226080, 3561728, 4452160, 7123456, 8904320, 14246912, 17808640, 35617280, 71234560]

約数ペア:

[(1, 71234560), (2, 35617280), (4, 17808640), (5, 14246912), (8, 8904320), (10, 7123456), (16, 4452160), (20, 3561728), (32, 2226080), (40, 1780864), (64, 1113040), (80, 890432), (128, 556520), (160, 445216), (256, 278260), (320, 222608), (512, 139130), (640, 111304), (1024, 69565), (1280, 55652), (2560, 27826), (5120, 13913)]