1620784825

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{57221}}^1$

素因数の和:57345

約数の個数: 24

約数和(自身を含む): 2213804736

約数和(自身を除く): 593019911

約数列:

[1, 5, 11, 25, 55, 103, 275, 515, 1133, 2575, 5665, 28325, 57221, 286105, 629431, 1430525, 3147155, 5893763, 15735775, 29468815, 64831393, 147344075, 324156965, 1620784825]

約数ペア:

[(1, 1620784825), (5, 324156965), (11, 147344075), (25, 64831393), (55, 29468815), (103, 15735775), (275, 5893763), (515, 3147155), (1133, 1430525), (2575, 629431), (5665, 286105), (28325, 57221)]