15707980

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{21227}}^1$

素因数の和:21273

約数の個数: 24

約数和(自身を含む): 33879888

約数和(自身を除く): 18171908

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 21227, 42454, 84908, 106135, 212270, 424540, 785399, 1570798, 3141596, 3926995, 7853990, 15707980]

約数ペア:

[(1, 15707980), (2, 7853990), (4, 3926995), (5, 3141596), (10, 1570798), (20, 785399), (37, 424540), (74, 212270), (148, 106135), (185, 84908), (370, 42454), (740, 21227)]