13140875

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{503}}^1$

素因数の和:548

約数の個数: 32

約数和(自身を含む): 18869760

約数和(自身を除く): 5728885

約数列:

[1, 5, 11, 19, 25, 55, 95, 125, 209, 275, 475, 503, 1045, 1375, 2375, 2515, 5225, 5533, 9557, 12575, 26125, 27665, 47785, 62875, 105127, 138325, 238925, 525635, 691625, 1194625, 2628175, 13140875]

約数ペア:

[(1, 13140875), (5, 2628175), (11, 1194625), (19, 691625), (25, 525635), (55, 238925), (95, 138325), (125, 105127), (209, 62875), (275, 47785), (475, 27665), (503, 26125), (1045, 12575), (1375, 9557), (2375, 5533), (2515, 5225)]