2005456

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1$

素因数の和:199

約数の個数: 40

約数和(自身を含む): 4211784

約数和(自身を除く): 2206328

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 73, 101, 136, 146, 202, 272, 292, 404, 584, 808, 1168, 1241, 1616, 1717, 2482, 3434, 4964, 6868, 7373, 9928, 13736, 14746, 19856, 27472, 29492, 58984, 117968, 125341, 250682, 501364, 1002728, 2005456]

約数ペア:

[(1, 2005456), (2, 1002728), (4, 501364), (8, 250682), (16, 125341), (17, 117968), (34, 58984), (68, 29492), (73, 27472), (101, 19856), (136, 14746), (146, 13736), (202, 9928), (272, 7373), (292, 6868), (404, 4964), (584, 3434), (808, 2482), (1168, 1717), (1241, 1616)]