776875

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{113}}^1$

素因数の和:144

約数の個数: 20

約数和(自身を含む): 1068408

約数和(自身を除く): 291533

約数列:

[1, 5, 11, 25, 55, 113, 125, 275, 565, 625, 1243, 1375, 2825, 6215, 6875, 14125, 31075, 70625, 155375, 776875]

約数ペア:

[(1, 776875), (5, 155375), (11, 70625), (25, 31075), (55, 14125), (113, 6875), (125, 6215), (275, 2825), (565, 1375), (625, 1243)]