64421120

素因数分解:

$2^8\times 5^1\times {\mathrm{50329}}^1$

素因数の和:50350

約数の個数: 36

約数和(自身を含む): 154311780

約数和(自身を除く): 89890660

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 50329, 100658, 201316, 251645, 402632, 503290, 805264, 1006580, 1610528, 2013160, 3221056, 4026320, 6442112, 8052640, 12884224, 16105280, 32210560, 64421120]

約数ペア:

[(1, 64421120), (2, 32210560), (4, 16105280), (5, 12884224), (8, 8052640), (10, 6442112), (16, 4026320), (20, 3221056), (32, 2013160), (40, 1610528), (64, 1006580), (80, 805264), (128, 503290), (160, 402632), (256, 251645), (320, 201316), (640, 100658), (1280, 50329)]