25129840

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{10133}}^1$

素因数の和:10177

約数の個数: 40

約数和(自身を含む): 60317568

約数和(自身を除く): 35187728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 10133, 20266, 40532, 50665, 81064, 101330, 162128, 202660, 314123, 405320, 628246, 810640, 1256492, 1570615, 2512984, 3141230, 5025968, 6282460, 12564920, 25129840]

約数ペア:

[(1, 25129840), (2, 12564920), (4, 6282460), (5, 5025968), (8, 3141230), (10, 2512984), (16, 1570615), (20, 1256492), (31, 810640), (40, 628246), (62, 405320), (80, 314123), (124, 202660), (155, 162128), (248, 101330), (310, 81064), (496, 50665), (620, 40532), (1240, 20266), (2480, 10133)]