72645775

素因数分解:

$5^2\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{503}}^1$

素因数の和:675

約数の個数: 24

約数和(自身を含む): 92806560

約数和(自身を除く): 20160785

約数列:

[1, 5, 25, 53, 109, 265, 503, 545, 1325, 2515, 2725, 5777, 12575, 26659, 28885, 54827, 133295, 144425, 274135, 666475, 1370675, 2905831, 14529155, 72645775]

約数ペア:

[(1, 72645775), (5, 14529155), (25, 2905831), (53, 1370675), (109, 666475), (265, 274135), (503, 144425), (545, 133295), (1325, 54827), (2515, 28885), (2725, 26659), (5777, 12575)]