25217900

素因数分解:

$2^2\times 5^2\times {\mathrm{421}}^1\times {\mathrm{599}}^1$

素因数の和:1034

約数の個数: 36

約数和(自身を含む): 54944400

約数和(自身を除く): 29726500

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 421, 599, 842, 1198, 1684, 2105, 2396, 2995, 4210, 5990, 8420, 10525, 11980, 14975, 21050, 29950, 42100, 59900, 252179, 504358, 1008716, 1260895, 2521790, 5043580, 6304475, 12608950, 25217900]

約数ペア:

[(1, 25217900), (2, 12608950), (4, 6304475), (5, 5043580), (10, 2521790), (20, 1260895), (25, 1008716), (50, 504358), (100, 252179), (421, 59900), (599, 42100), (842, 29950), (1198, 21050), (1684, 14975), (2105, 11980), (2396, 10525), (2995, 8420), (4210, 5990)]