25716620

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{439}}^1$

素因数の和:578

約数の個数: 48

約数和(自身を含む): 56548800

約数和(自身を除く): 30832180

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 101, 116, 145, 202, 290, 404, 439, 505, 580, 878, 1010, 1756, 2020, 2195, 2929, 4390, 5858, 8780, 11716, 12731, 14645, 25462, 29290, 44339, 50924, 58580, 63655, 88678, 127310, 177356, 221695, 254620, 443390, 886780, 1285831, 2571662, 5143324, 6429155, 12858310, 25716620]

約数ペア:

[(1, 25716620), (2, 12858310), (4, 6429155), (5, 5143324), (10, 2571662), (20, 1285831), (29, 886780), (58, 443390), (101, 254620), (116, 221695), (145, 177356), (202, 127310), (290, 88678), (404, 63655), (439, 58580), (505, 50924), (580, 44339), (878, 29290), (1010, 25462), (1756, 14645), (2020, 12731), (2195, 11716), (2929, 8780), (4390, 5858)]