13720375

素因数分解:

$5^3\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:196

約数の個数: 32

約数和(自身を含む): 18532800

約数和(自身を除く): 4812425

約数列:

[1, 5, 19, 25, 53, 95, 109, 125, 265, 475, 545, 1007, 1325, 2071, 2375, 2725, 5035, 5777, 6625, 10355, 13625, 25175, 28885, 51775, 109763, 125875, 144425, 258875, 548815, 722125, 2744075, 13720375]

約数ペア:

[(1, 13720375), (5, 2744075), (19, 722125), (25, 548815), (53, 258875), (95, 144425), (109, 125875), (125, 109763), (265, 51775), (475, 28885), (545, 25175), (1007, 13625), (1325, 10355), (2071, 6625), (2375, 5777), (2725, 5035)]