28128140

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{38011}}^1$

素因数の和:38057

約数の個数: 24

約数和(自身を含む): 60667152

約数和(自身を除く): 32539012

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 38011, 76022, 152044, 190055, 380110, 760220, 1406407, 2812814, 5625628, 7032035, 14064070, 28128140]

約数ペア:

[(1, 28128140), (2, 14064070), (4, 7032035), (5, 5625628), (10, 2812814), (20, 1406407), (37, 760220), (74, 380110), (148, 190055), (185, 152044), (370, 76022), (740, 38011)]