25310180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{347}}^1\times {\mathrm{521}}^1$

素因数の和:884

約数の個数: 48

約数和(自身を含む): 61036416

約数和(自身を除く): 35726236

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 347, 521, 694, 1042, 1388, 1735, 2084, 2429, 2605, 3470, 3647, 4858, 5210, 6940, 7294, 9716, 10420, 12145, 14588, 18235, 24290, 36470, 48580, 72940, 180787, 361574, 723148, 903935, 1265509, 1807870, 2531018, 3615740, 5062036, 6327545, 12655090, 25310180]

約数ペア:

[(1, 25310180), (2, 12655090), (4, 6327545), (5, 5062036), (7, 3615740), (10, 2531018), (14, 1807870), (20, 1265509), (28, 903935), (35, 723148), (70, 361574), (140, 180787), (347, 72940), (521, 48580), (694, 36470), (1042, 24290), (1388, 18235), (1735, 14588), (2084, 12145), (2429, 10420), (2605, 9716), (3470, 7294), (3647, 6940), (4858, 5210)]