28906250

素因数分解:

$2^1\times 5^8\times {\mathrm{37}}^1$

素因数の和:79

約数の個数: 36

約数和(自身を含む): 55664034

約数和(自身を除く): 26757784

約数列:

[1, 2, 5, 10, 25, 37, 50, 74, 125, 185, 250, 370, 625, 925, 1250, 1850, 3125, 4625, 6250, 9250, 15625, 23125, 31250, 46250, 78125, 115625, 156250, 231250, 390625, 578125, 781250, 1156250, 2890625, 5781250, 14453125, 28906250]

約数ペア:

[(1, 28906250), (2, 14453125), (5, 5781250), (10, 2890625), (25, 1156250), (37, 781250), (50, 578125), (74, 390625), (125, 231250), (185, 156250), (250, 115625), (370, 78125), (625, 46250), (925, 31250), (1250, 23125), (1850, 15625), (3125, 9250), (4625, 6250)]