66616960

素因数分解:

$2^7\times 5^1\times {\mathrm{104089}}^1$

素因数の和:104108

約数の個数: 32

約数和(自身を含む): 159257700

約数和(自身を除く): 92640740

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 104089, 208178, 416356, 520445, 832712, 1040890, 1665424, 2081780, 3330848, 4163560, 6661696, 8327120, 13323392, 16654240, 33308480, 66616960]

約数ペア:

[(1, 66616960), (2, 33308480), (4, 16654240), (5, 13323392), (8, 8327120), (10, 6661696), (16, 4163560), (20, 3330848), (32, 2081780), (40, 1665424), (64, 1040890), (80, 832712), (128, 520445), (160, 416356), (320, 208178), (640, 104089)]