51156875

素因数分解:

$5^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1063}}^1$

素因数の和:1101

約数の個数: 40

約数和(自身を含む): 79774464

約数和(自身を除く): 28617589

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 125, 175, 275, 385, 625, 875, 1063, 1375, 1925, 4375, 5315, 6875, 7441, 9625, 11693, 26575, 37205, 48125, 58465, 81851, 132875, 186025, 292325, 409255, 664375, 930125, 1461625, 2046275, 4650625, 7308125, 10231375, 51156875]

約数ペア:

[(1, 51156875), (5, 10231375), (7, 7308125), (11, 4650625), (25, 2046275), (35, 1461625), (55, 930125), (77, 664375), (125, 409255), (175, 292325), (275, 186025), (385, 132875), (625, 81851), (875, 58465), (1063, 48125), (1375, 37205), (1925, 26575), (4375, 11693), (5315, 9625), (6875, 7441)]