16856140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{120401}}^1$

素因数の和:120417

約数の個数: 24

約数和(自身を含む): 40455072

約数和(自身を除く): 23598932

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 120401, 240802, 481604, 602005, 842807, 1204010, 1685614, 2408020, 3371228, 4214035, 8428070, 16856140]

約数ペア:

[(1, 16856140), (2, 8428070), (4, 4214035), (5, 3371228), (7, 2408020), (10, 1685614), (14, 1204010), (20, 842807), (28, 602005), (35, 481604), (70, 240802), (140, 120401)]