25496420

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1289}}^1$

素因数の和:1364

約数の個数: 48

約数和(自身を含む): 57214080

約数和(自身を除く): 31717660

約数列:

[1, 2, 4, 5, 10, 20, 23, 43, 46, 86, 92, 115, 172, 215, 230, 430, 460, 860, 989, 1289, 1978, 2578, 3956, 4945, 5156, 6445, 9890, 12890, 19780, 25780, 29647, 55427, 59294, 110854, 118588, 148235, 221708, 277135, 296470, 554270, 592940, 1108540, 1274821, 2549642, 5099284, 6374105, 12748210, 25496420]

約数ペア:

[(1, 25496420), (2, 12748210), (4, 6374105), (5, 5099284), (10, 2549642), (20, 1274821), (23, 1108540), (43, 592940), (46, 554270), (86, 296470), (92, 277135), (115, 221708), (172, 148235), (215, 118588), (230, 110854), (430, 59294), (460, 55427), (860, 29647), (989, 25780), (1289, 19780), (1978, 12890), (2578, 9890), (3956, 6445), (4945, 5156)]