260540225

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{2003}}^1$

素因数の和:2078

約数の個数: 36

約数和(自身を含む): 363549648

約数和(自身を除く): 103009423

約数列:

[1, 5, 11, 25, 43, 55, 121, 215, 275, 473, 605, 1075, 2003, 2365, 3025, 5203, 10015, 11825, 22033, 26015, 50075, 86129, 110165, 130075, 242363, 430645, 550825, 947419, 1211815, 2153225, 4737095, 6059075, 10421609, 23685475, 52108045, 260540225]

約数ペア:

[(1, 260540225), (5, 52108045), (11, 23685475), (25, 10421609), (43, 6059075), (55, 4737095), (121, 2153225), (215, 1211815), (275, 947419), (473, 550825), (605, 430645), (1075, 242363), (2003, 130075), (2365, 110165), (3025, 86129), (5203, 50075), (10015, 26015), (11825, 22033)]